U.S. ENVIRONMENTAL PROTECTION AGENCY
           NATIONAL EUTROPHICATION SURVEY
                    WORKING PAPER SERIES
                                        REPORT
                                         ON
                                      NIMROD LAKE
                                  PERRY AND YELL COUNTIES
                                       ARKANSAS
                                      EPA REGION VI
                                   WORKING PAPER No, 490
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
                             and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
 699-440

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                             REPORT
                               ON
                           NIMRQD LAKE
                     PERRY AND YELL COUNTIES
                            ARKANSAS
                          EPA REGION VI
                      WORKING PAPER No, 490
   WITH THE COOPERATION OF THE
ARKANSAS DEPARTMENT OF POLLUTION
       CONTROL AND ECOLOGY
             AND THE
     ARKANSAS NATIONAL GUARD
          JANUARY, 1977

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            REPORT ON NIMROD LAKE

      PERRY AND YELL COUNTIES, ARKANSAS

                EPA REGION VI


                     by

       National Eutrophication Survey

      Water and Land Monitoring Branch
     Monitoring Applications Laboratory
Environmental Monitoring & Support Laboratory
              Las Vegas, Nevada

                     and

        Eutrophication Survey Branch
 Corvallis Environmental Research Laboratory
              Corvallis, Oregon
            Working Paper No.  490
     OFFICE OF RESEARCH AND DEVELOPMENT
    U.S.  ENVIRONMENTAL PROTECTION AGENCY

                January 1977

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                               CONTENTS

                                                       Page
Foreword                                                i i
List of Arkansas Study Lakes                            iv
Lake and Drainage Area Map                            v-vi
Sections
  I. Conclusions                                         1
 II. Lake and Drainage Basin Characteristics             4
III. Lake Water Quality Summary                          6
 IV. Nutrient Loadings                                  11
  V. Literature Reviewed                                17
 VI. Appendices                                         18

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                                  ii


                               FOREWORD
     The National Eutrophication Survey was Initiated in  1972  in
response to an Administration commitment to investigate the  nation-
wide threat of accelerated eutrophication to freshwater lakes  and
reservoirs.

OBJECTIVES

     The Survey was designed to develop, in conjunction with state
environmental agencies, information on nutrient sources,  concen-
trations, and impact on selected freshwater lakes as a basis for
formulating comprehensive and coordinated national,  regional,  and
state management practices relating to point source  discharge
reduction and nonpoint source pollution abatement in lake water-
sheds.

ANALYTIC APPROACH

     The mathematical and statistical  procedures selected for  the
Survey's eutrophication analysis are based on related concepts
that:

     a.   A generalized representation or model relating
          sources, concentrations, and impacts can be
          constructed.

     b.   By applying measurements of relevant parameters
          associated with lake degradation, the generalized
          model can be transformed into an operational
          representation of a lake, its drainage basin, and
          related nutrients.

     c.   With such a transformation,  an assessment of the
          potential for eutrophication control can be made.

LAKE ANALYSIS

     In this report, the first stage of evaluation of lake and
watershed data collected from the study lake and its drainage
basin is documented.  The report is formatted to provide  state
environmental agencies with specific Information for basin
 flanninq [§303(e)], water quality criteria/standards review
 §303(c)], clean lakes [§314(a,b)], and water quality monitoring
[§106 and §305(b)] activities mandated by the Federal Water
Pollution Control Act Amendments of 1972.

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    Beyond the single lake analysis, broader based correlations
between nutrient concentrations (and loading) and trophic condition
are being made to advance the rationale and data base for refine-
ment of nutrient water quality criteria for the Nation's freshwater
lakes.  Likewise, multivariate evaluations for the relationships
between land use, nutrient export, and trophic condition, by lake
class or use, are being developed to assist in the formulation
of planning guidelines and policies by the U.S. Environmental  Protection
Agency and to augment plans implementation by the states.

ACKNOWLEDGMENTS

    The staff of the National Eutrophication Survey (Office of
Research and Development, U.S. Environmental Protection Agency)
expresses sincere appreciation to the Arkansas Department of Pollution
Control and Ecology for professional involvement, to the Arkansas
National Guard for conducting the tributary sampling phase of the
Survey, and to those Arkansas wastewater treatment plant operators
who provided effluent samples and flow data.

    The staff of the Water Division of the Arkansas Department
of Pollution Control and Ecology provided invaluable lake documentation
and counsel during the Survey, reviewed the preliminary reports
and provided critiques most useful in the preparation of this Working
Paper series.

    Major General Thomas C. Armstrong, the Adjutant General of
Arkansas, and Project Officer Colonel Lavaun M. James, who directed
the volunteer efforts of the Arkansas National Guardsmen, are also
gratefully acknowledged for their assistance to the Survey.

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                                   IV
                    NATIONAL EUTROPHICATION SURVEY
                              STUDY LAKES
                           STATE OF ARKANSAS
LAKE NAME
Beaver
Blackfish
Blue Mountain
Bull Shoals

Catherine
Chicot
DeGray
Erling
Grand
Greer's Ferry
Hamilton
Millwood

Nimrod
Norfork
Ouachita
Table Rock
     COUNTY
Benton, Carroll, Washington
Crittenden, St.  Francis
Logan, Yell
Baxter, Boone, Marion
(Taney, Ozark in MO)
Garland, Hot Spring
Chicot
Clark, Hot Spring
Lafayette
Chicot
Van Buren, Cleburne
Garland
Hempstead, Howard,
Little River, Sevier
Perry, Yell
Baxter, Fulton (Ozark in MO)
Garland, Montgomery
Boone, Carroll (Barry,
Taney in MO)

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Tributary Sampling Site
Lake Sampling Site
Land Subject to  Inundation
                                               Map Location
                 9320

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  •   /
  L_/
                                                                                 NIMROD  LAKE
                                                                                8   Tributary  Sampling SHe
                                                                                X   Lake Sampling Site
                                                                                ~^j  Drainage Area Boundary
                                                                                    Land Subject to  Inundation
                                                                                       Scale
                                                                                                        Ml.
Map ^o

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                    REPORT ON NIMROD LAKE,  ARKANSAS
                            STORE! NO.  0512

I.    CONCLUSIONS
     A.    Trophic Condition:*
               Survey data indicate that  Nimrod Lake  is  meso-eutrophic.
          Potentials for primary production as  measured  by  algal  assay
          control yields were high.  Chlorophyll  a^ values ranged  from
          2.4 yg/1 in the summer to 36.5  yg/1  in the  fall,  with a mean
          of 15.8 yg/1.   Of the 16 Arkansas lakes sampled in  1974, 6
          had higher median total  phosphorus levels  (0.039  mg/1), 8 had
          higher median  inorganic nitrogen  values (0.160 mg/1), and 7
          had higher median orthophosphorus levels (0.006 mg/1) levels
          than Nimrod Lake.
               Field limnologists did not observe any algal blooms or
          nuisance aquatic weeds during their visits  to  the lake.  Other
          studies (Arkansas Department of Pollution Control and Ecology,
          1972) report that turbidity from  colloidal  clay particles is
          currently the  major problem in  Nimrod Lake, although in the
          late 1960's several  extensive fishkills in  Porter Creek and
          Nimrod Lake occurred as a result  of discharges from the Moun-
          tain Pine Pressure Treating Company (Arkansas  Department of
          Pollution Control and Ecology,  1975).
     *See  Appendix E.

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B.   Rate-Limiting Nutrient:
          Algal assay results indicate that Nimrod Lake is limited by
     available phosphorus.  Spikes with phosphorus, or nitrogen and
     phosphorus simultaneously resulted in increased assay yields.  The
     addition of nitrogen alone did not elicit a growth response.
     The total available nitrogen to orthophosphorus (N/P) ratios  in the
     lake data suggest nitrogen limitation in the spring and phosphorus
     limitation in the summer and fall.
C.   Nutrient Controllability:
     1.    Point sources -
               There were no known point sources impacting Nimrod  Lake
          during the 1974 sampling year.
               The phosphorus annual loading of 1.10 g P/m^/yr is  less
          than that proposed by Vollenweider (1975) as a eutrophic level
          (see Section IV-F).  However, loading calculations based upon
          available nutrients yield an extremely large net export  of
          phosphorus from the impoundment.  In view of this apparent
          phosphorus export, it is expected that the calculated loading
          rate is far too low, and that unmeasured phosphorus inputs,
          such as wastes from the town of Plainview into Porter Creek,
          reached the lake during the sampling year (Arkansas Department
          of Pollution Control and Ecology, 1972).  Additional sampling
          to determine the true nutrient budget for the lake is needed
          before further recommendations on nutrient controllability in
          Nimrod Lake can be proposed.

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2.   Nonpoint sources -
          During the sampling year, measured tributaries contri-
     buted 81.7% of the total phosphorus load to Nimrod Lake and
     ungaged drainage areas were estimated to have contributed
     16.6%.  The Fourche la Fave River contributed 78.7% of the
     total load.
          The phosphorus exports of the three gaged tributaries
     (see Section IV-D) to Nimrod Lake were comparable to the
     tributary exports of nearby Blue Mountain Lake (range of 6
     to 11 kg P/knr/yr, mean of 8 kg P/km^/yr) and Lake Ouachita
     (range of 6 to 11 kg P/km2/yr, mean of 9 kg P/km2/yr).

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II.   LAKE AND DRAINAGE BASIN CHARACTERISTICS

          Lake and drainage basin characteristics  are itemized  below.

     Lake morphometry values were provided by the  Arkansas  Department

     of Pollution Control  and Ecology.   Tributary  flow data were  pro-

     vided by the Arkansas District Office of the  U.S.  Geological

     Survey (USGS).  Outlet drainage area includes the lake surface

     area.  Mean hydraulic retention time was obtained by dividing the

     lake volume by the mean flow of the outlet.   Precipitation values

     are estimated by methods as outlined in National  Eutrophication

     Survey (NES) Working  Paper No. 175.  A table  of metric/English

     conversions is included as Appendix A.

     A.   Lake Morphometry:
          1.    Surface area:   14.57
          2.    Mean depth:   2.5 meters
          3.    Maximum depth:   12.3 meters.
          4.    Volume:  35.771  x 106 m3.
          5.    Mean hydraulic  retention time:   17 days.

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B.   Tributary and Outlet:
     (See Appendix B for flow data)

     1.    Tributaries -

                                        Drainage       Mean  flow
          Name                          area(krcr)       (m3/sec)

          A-2 Fourche la Fave River       1,271.7         17.59
          B-l Brush Creek                   51.0          0.68
          C-l Hogan Creek                   27.2          0.36

          Minor tributaries and
          immediate drainage -             407.1          5.78

                         Totals          1,757.0         24.41

     2.    Outlet - A-l  Fourche la        1,771.6         24.04
                       Fave River

C.   Precipitation:

     1.    Year of sampling:  106.5 cm.
     2.    Mean annual:   90.7 cm.

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III.  LAKE WATER QUALITY SUMMARY
          Nimrod Lake was sampled three times during  the open-water
     season of 1974 by means of a pontoon-equipped Huey helicopter.
     Each time, samples for physical  and chemical  parameters  were
     collected from two stations on the lake and from one or  more
     depths at each station (see maps, pages v-vi).   Durinn each visit,
     depth-integrated samples were collected from each station  for
     chlorophyll a^ analysis and phytoplankton identification  and
     enumeration.   During the first and last visits,  18.9-liter
     depth-integrated samples were composited for algal  assays.
     Maximum depths sampled were 2.7  meters at Station 01  and 10.7
     meters at Station 02.   For a more detailed explanation of  NES
     methods, see NES Working Paper No. 175.
          The results obtained are presented in full  in Appendix C
     and are summarized in  III-A for  waters at the surface and  at the
     maximum depth for each site.  Results of the phytoplankton counts
     and chlorophyll  ^determinations are included in III-B.   Results
     of the limiting  nutrient study are presented in  III-C.

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       COOt  U512
                                                         ""YS1CAL  AMU  C"tMlCAL  CHAKACTE.K I ST I Cb
                                    (   3/i7/7<. )
                                                                                                                 (  10/18/7*  )
                                                                                                                               MAX
TtMPEPATU^t (DEG CENT)
O.-l.S (' DEPTH 
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B.   Biological Characteristics:

     1.    Phytoplankton -
          Sampling
          Date

          03/27/74
          06/07/74
          10/18/74
Dominant
Genera

1.  Flagellates
2.  Ankistrodesmus
3.  Cryptomonas
4.  Centric diatoms
5.  Oscillatoria

    Other genera

         Total
1.
2.
3.
4.
5.
Melosira
Chroomonas
Cryptomonas
Cyclotella
Dactylococcopsis
1.
2.
3.
4.
5.
Other genera

     Total

Melosira
Microcystis
Dactylococcopsis
Cryptomonas
Cyclotella

Other genera

     Total
Algal
Units
per ml

1,933
  424
  424
   94
   94

  237

3,206

  493
   99
   49
   49
   49

  222

  961

1,417
  486
  445
  243
  162

  851

3,604

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2.    Chlorophyll
Sampling
Date
03/27/74
06/07/74
10/18/74
Limiting Nutrient
Station
Number



Study:
1. Autoclaved, filtered, and
a. 03/27/74
Spike (mg/1)
Control
0.05 P
0.05 P + 1.0
1.00 N
b. 10/18/74
Spike (mg/1)
Control
0.05 P
0.05 P + 1.0
1.00 N

Ortho P
Cone, (mg/1
0.020
0.070
N 0.070
0.020

Ortho P
Cone, (mg/1
0.010
0.060
N 0.060
0.010
01
02
01
02
01
02

nutrient spiked -

Inorganic N
) Cone, (mg/1)
0.188
0.188
1.188
1.188

Inorganic N
) Cone, (mg/1)
0.087
0.087
1.087
1.087
Chlorophyll a
(yg/D
13.5
3.2
3.5
2.4
35.9
36.5



Maximum Yield
(mg/1 -dry wt. )
2.3
6.3
25.9
2.3

Maximum Yield
(mg/1 -dry wt. )
1.0
4.3
12.1
0.8

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                                   10
2.   Discussion -
          The control yield of the assay alga, Selenastrum capri-
     cornutum, indicates that potential for primary productivity
     was high in Nimrod Lake during the spring and fall  sampling
     seasons.  The lake was phosphorus limited at those  times  as
     indicated by the increased yield of the test alga in response
     to an addition of orthophosphorus.  Spikes with phosphorus
     and nitrogen simultaneously resulted in a maximum yield.
     Spikes with nitrogen alone did not produce a response beyond
     the control yield.
          The mean N/P ratio from lake data was 6/1 during the
     spring when orthophosphorus levels were approximately four
     times the summer and autumn values, suggesting nitrogen
     limitation.  The N/P ratios for the summer and fall  samplings
     were 29/1 and 19/1, respectively, indicating phosphorus
     limitation (an N/P ratio of 14/1 or greater generally reflects
     phosphorus limitation).

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                                   11
IV.   NUTRIENT LOADINGS
     (See Appendix D for data)
          For the determination  of nutrient  loadings,  the Arkansas
     National Guard collected monthly  near-surface grab  samples from
     each of the tributary sites indicated on  the maps  (pages v-vi) ex-
     cept for the high runoff months of March  and April  when two sam-
     ples were collected.   Sampling was begun  in June  1974, and was
     completed in May 1975.
          Through an interagency agreement,  stream flow  estimates for
     the year of sampling  and a  "normalized" or average  year were pro-
     vided by the Arkansas District Office of  the USGS for the tribu-
     tary sites nearest the lake.
          In this report,  nutrient loads for sampled tributaries were
     determined by using a modification of a USGS computer program for
     calculating stream loadings.   Nutrient  loads indicated for tribu-
     taries are those measured minus known point source  loads, if any.
          Nutrient loadings for  unsampled "minor tributaries and imme-
     diate drainage" ("II" of USGS) were estimated by  using the mean
                                   2
     annual nutrient loads,  in kg/km /yr, in Brush Creek and Hogan
     Creek at Station B-l  and C-l, and multiplying the means by the
                  2
     ZZ  area in km .

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                                      12
A.   Waste Sources:

     1.   Known municipal - None

     2.   Known industrial* -

                                                  Mean Flow      Receiving
     Name               Product    Treatment      (nr/d x 10^)   Hater

     Mountain Pine      Wood Treat-   	           	         	
     Pressure Treating  ment and
     Company            Preserving


          (The plant presently operates with a closed treatment system for

     liquid wastes.  In the past, the plant discharged into Porter Creek.)
     *Arkansas Department of Pollution Control and Ecology, 1972.

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                                 13
B.    Annual  Total  Phosphorus Loading - Average Year:

     1.    Inputs -
                                                            % of
          Source                             kg P/yr         total

          a.   Tributaries (nonpoint load) -

               A-2 Fourche la Fave River      12,580          78.7
               B-l Brush Creek                   305           1.9
               C-l Hogan Creek                   180           1.1

          b.   Minor tributaries and immediate
               drainage (nonpoint load) -      2,645          16.6

          c.   Known municipal STP's - None

          d.   Septic tanks* -                    15           0.1

          e.   Known industrial  - None

          f.   Direct precipitation** -          255         	]_.j>_

                              Totals          15,980         100.0

     2.    Output - A-l  Fourche la Fave        30,565
                       River
                                              14,585
     3.    Net annual P export*** -
       *Estimate based on 18 lakeside residences and 6 camps.
      **Estimated (see NES Working Paper No.  175).
     ***Export probably due to unknown sources and/or sampling error.

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                                 14
C.   Annual Total Nitrogen Loading - Average Year:

     1.    Inputs -
                                                            % of
          Source                             kg N/yr        total

          a.   Tributaries (nonpoint load) -

               A-2 Fourche la Fave River     417,285         77.0
               B-l Brush Creek                 9,900          1.8
               C-l Hogan Creek                 6,930          1.3

          b.   Minor tributaries and immediate
               drainage (nonpoint load) -     91,395         16.9

          c.   Known municipal STP's - None

          d.   Septic tanks* -                   615          0.1

          e.   Known industrial - None

          f.   Direct precipitation** -       15,730          2.9

                              Totals         541,855        100.0

     2.    Output - A-l Fourche la Fave       460,910
                       River

     3.    Net annual N accumulation -         80,945
      *Estimate based on 18 lakeside residences and 6 camps.
     **Estimated (see NES Working Paper No.  175).

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                                 15
D.   Mean Annual  Nonpoint Nutrient Export by Subdrainage Area:
                                                    2              9
     Tributary                               kg P/km /yr    kg  N/knr/yr

     Fourche la Fave River                        10            328
     Brush Creek                                   6            194
     Hogan Creek                                   7            255

E.   Mean Nutrient Concentrations in Ungaged Streams:

                                             Mean Total  P   Mean Total  N
     Tributary                                  (mg/1)         (mg/1)

     D-l Porter Creek                           0.040          0.684
     E-l West Gafford Creek                     0.017          0.573
     F-l East Gafford Creek                     0.025          0.419

          Nutrient concentrations for tributaries D-l and E-l  are in

     line with those found for the gaged tributaries draining  into Nimrod

     Lake.  However, mean total  phosphorus values for Porter Creek are

     above those found for West  and East Gafford Creek.   This  elevation

     in phosphorus levels is probably due to seepage and runoff from

     malfunctioning septic tanks from the town of Plainview (Arkansas

     Department of Pollution Control and Ecology, 1972).

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                                   16
F.    Yearly Loadings:
          In the following table, the existing phosphorus annual
     loading is compared to the relationship proposed by Vollenweider
     (1975).  Essentially, his eutrophic loading is that at which
     the receiving waters would become eutrophic or remain eutrophic;
     his oligotrophic loading is that which would result in the
     receiving water remaining oligotrophic or becoming oligotrophic
     if morphometry permitted.  A mesotrophic loading would be
     considered one between eutrophic and oligotrophic.
          Note that Vollenweider's model may not apply to lakes with
     short  hydraulic retention times or in which light penetration is
     severely restricted  by high concentrations of suspended solids
     in the surface waters.
                              Total Yearly
                           Phosphorus Loading
                                (g/m2/yr)
     Estimated loading for Nimrod Lake                            1.10
     Vollenweider's eutrophic loading                             1.35
     Vollenweider's oligotrophic loading                          0.67

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                                 17
V.   LITERATURE REVIEWED

     Arkansas Department of Pollution Control  and Ecology,  1972.
       Pollution Control Survey of Arkansas River Basins, August  -
       October, 1972.  Little Rock, Arkansas.

     Arkansas Department of Pollution Control  and Ecology,  1975.
       Section 303(e) Basin Plan Arkansas River Basin, Oklahoma
       State Line to Mouth.  Little Rock, Arkansas.

     U.S. Environmental Protection Agency.  1975.  National  Eutro-
       phication Survey Methods 1973-1976.  Working  Paper No.  175,
       National Environmental Research Center, Las Vegas, Nevada,
       and Pacific Northwest Environmental Research  Laboratory,
       Corvallis, Oregon.

     Vollenweider, R. A.  1975.  Input-Output Models With Special
       Reference to the Phosphorus Loading Concept in Limnology.
       Schweiz. Z. Hydrol.   37:53-84.

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                                18






VI.   APPENDICES
                            APPENDIX A



                        CONVERSION FACTORS

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                CONVERSION FACTORS





Hectares x 2.471 = acres



Kilometers x 0.6214 = miles



Meters x 3.281 = feet


                         -4
Cubic meters x 8.107 x 10   = acre/feet



Square kilometers x 0.3861 - square miles



Cubic motors/sec x 35.315 = cubic feet/sec



Centimeters x 0.3937 = inches



Kilograms x 2.205 - pounds



Kilograms/square kilometer x 5.711 ~ Ibs/square  mile

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    APPENDIX B



TRIBUTARY FLOW DATA

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                                   TRIBUTARY FLOW INFORMATION FOR ARKANSAS
                                                                       02/02/77
LAKE CODE 0512
NIMROD LAKE
     TOTAL DRAINAGE AREA OF LAKE(SQ KM)    1771.6
0512A1
0512A2
0512B1
0512C1
0512ZZ
SUB-DRAINAGE
AREAIS6 KM)
1771.6
1271.7
51.0
27.2
421.7
JAN
29.90
27.33
1.059
0.564
8.98
FE8
39.81
33.47
1.300
0.691
10.99
MAK
52.58
38.94
1.512
0.801
12.80
APR
40.80
34.01
1.320
0.702
11.16
MAY
45.00
30.44
1.181
0.629
10.00
NORMALIZED FLOWS(CMS)
JUN JUL AUG SEP
23.05
9.40
0.365
0.195
3.09
10.99 5.55 4.05
3.11 1.86 3.85
0.122 0.074 0.150
0.065 0.040 0.079
1.02 0.61 1.27
OCT
3.17 1
3.11
0.122 0
0.065 0
1.02
NOV
1.10
9.85
.382
.204
3.23
DEC
23.45
16.76
O.bbl
0.345
5.52
MEAN
24.04
17.59
0.683
0.363
5.78
SUMMARY

TOTAL
SUM OF
DRAINAGE AREA OF LAKE =
SUB-DRAINAGE AREAS =
1771.6
1771.6

TOTAL FLOW IN =
TOTAL FLOW OUT =
294.43
289.45



     MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)

TRIBUTARY   MONTH   YEAR    MEAN FLOW  DAY

0512A1
                                FLOW  DAY
FLOW  DAY
FLOW
0512A2
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
74
74
74
74
74
74
74
75
75
75
75
75
74
74
74
74
74
74
74
75
75
75
75
75
26.476
64.279
2.322
26.023
3.625
11.327
77.022
29.733
60.032
44.174
101.374
47.799
65.695
1.911
0.934
17.698
3.002
55.784
23.814
12.573
52.386
79.287
20.586
35.254
23
21
18
22
20
9
15
25
16
9
5
3
23
21
18
22
20
9
15
25
16
7
5
3
68.244
56.917
1.133
39.927
2.265
8.495
134.222
10.874
100.525
24.494 23
88.065 12
19.539
5.947
1.982
0.934
16.990
1.557
19.822
25.485
6.513
9.486
11.044 23
22.653 12
114.400









60.315
131.673










34.971
17.840


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                                   TRIBUTARY FLOW INFORMATION FOR ARKANSAS
                                       02/02/77
LAKE CODE 0512
                          LAKE
     MEAN MONTHLY FLOWS AND DAILY FLOwS(CMS)




TRIBUTARY   MONTH   YEAR    MEAN FLO*  DAY




051281
0512C1
0512ZZ
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
S
6
7
8
9
10
11
12
1
2
3
4
5
74
74
74
74
74
74
74
75
75
75
75
75
74
74
74
74
74
74
74
75
75
75
75
75
74
74
74
74
74
74
74
75
75
75
75
75
FLOW  DAY
FLOW  CAY
FLOW
2.631
0.076
0.037
0.711
0.122
2.234
0.954
0.504
2.104
3.171
0.824
1.416
1.402
0.040
0.020
0.379
0.065
1.192
0.510
0.269
1.121
1.696
0.442
0.753
21.747
0.634
0.309
5.862
0.997
18.463
7.900
4.163
17.387
26.306
6.824
11.695
23
21
18
22
20
9
15
25
16
9
5
3
23
21
18
22
20
9
15
25
16
9
5
3
23
21
18
22
20
9
15
25
16
9
5
3
0.045
0.003
0.003
0.765
0.003
0.708
1.034
0.261
0.385
0.442 23
0.906 12
4.597
0.023
0.003
0.003
0.396
0.006
0.340
0.552
0.139
0.204
0.235 23
0.481 12
2.435
1.971
0.623
0.309
5.635
0.510
6.513
8.495
2.152
3.171
3.653 23
7.504 12
37.945









1.416
0.716










0.748
0.382










11.610
5.918


-------
        APPENDIX C



PHYSICAL AND CHEMICAL DATA

-------
bTORET RETRIEVAL DATE 77/02/0?
/TYPA/AMBNT/L4KE
                      00010
  DATE   TIME OEPTrt  wATER
  FROM    OF          TEMP
   TO    OAY  FEET    CtNT

7<»/03/27 13 45 0000     12.7
         13 45 0005     12.4
74/06/07 13 10 0000     23.6
         13 10 0005     23.6
         13 10 0009     23.5
7i»/10/l8 09 55 0000     18.3
  00300     00077     00094
   DO      TRiNSP   CNDUCTVY
           SECCHI   FIELD
  MG/L     INCHES   MICKOMHO
    10.2
     6.4
     6.6
     7.6
24

36


28
95

41
41
43
23
                                                                  051201
                                                                 34 56 53.0 093 13 52.0 3
                                                                 05149   ARKANSAS
                                                                                          101091
                   11EPALES
                    0007 FEET
                                                                             DEPTH
                                                       04001002
                                                      CLASS 00
00400
PM

su
00410
T ALK
CAC03
MG/L
00610
NH3-N
TOTAL
MG/L
00625
TOT KJEL
N
MG/L
00630
N02J.N03
M-TOTAL
MG/L
00671
PHOS-DIS
ORTHO
MG/L P
6.50

6.50
6.70
6.6C
5.99
                                              13
0.060
                                                               0.400
0.080
                              0.027
14
15
15
12
0.120
0.220
0.110
0.060
0.400
0.300
0.400
0.400
0.080
0.090
0.090
0.030
0.007
0.006
0.010
0.010
                      00665
  DATE   TIME DEPTH PHOS-TOT
  FROM    OF
   TO    DAY  FEET   MG/L P

74/03/27 13 45 0000    0.037
74/06/07 13 10 0000    0.056
         13 10 0005    0.053
         13 10 0009    0.052
74/10/18 09 55 0000    0.041
         09 55 0001
         09 55 0007
  32217     00031
CHLRPHYL  INCDT LT
   A      REMNING
  UG/L    PERCENT

    13.5
     3.5
    35.9
              50.0
               1.0

-------
STOKET t(ET*IEVAL OATE 77/02/03
                                                                  061202
                                                                 34 57  11.0 093 09 42.0 3
                                                                 05105
                                                                                           101091
/TYPA/AMriNT/LAKt
DATE
FROM
TO
74/03/27


74/06/07



74/10/18




DATE
FROM
TO
74/03/27


74/06/07



74/10/18





TIME DEPTH
OF
DAY FEET
14 00 0000
14 00 0005
14 00 0025
12 45 0000
12 45 0005
12 45 0015
12 45 0035
09 25 0000
09 25 0005
09 25 0020
09 ?5 0032

TIME DEPTH
OF
DAY FEET
14 00 0000
14 00 0005
14 00 0025
12 45 0000
12 45 0005
12 45 0015
12 45 0035
09 25 0000
09 ?5 0001
09 25 0005
09 ?S 0006
09 ?5 0020
09 25 0032
00010
»ATER
TEMP
CENT
10.6
10.6
10.3
24.0
24. C
24.0
23.2
19.0
18.6
18.9
18.4
00665
PHOS-TOT

MG/L P
0.034
0.032
0.032
0.040
0.048
0.034
0.048
0.039

0.033

0.035
0.039
00300
DO

MG/L

9.2
9.2

6.4
6.4

8.2
6.8
6.4
6.2
32217
CHLRPHYL
A
UG/U
3.2


2.4



36.5





00077 00094
TRANSP CNDUCTVY
SECCMl FIELD
INCHES MICROMHO
24 85
70
60
36 42
43
42
42
38 23
23
23
21
00031
INCUT LT
REMN1NG
PERCENT








50.0

1.0


11EPALES 04001002
0033 FEET DtPTh CLASS 00
00400 00410 00610 00625
PH

su
6.30
6.20
6.20
6.70
6.90
6.50
6.60
5.82
5.81
5.82
5.81

















T ALK
CAC03
MG/L
10
10K
10K
14
16
14
14
10K
10K
10K
10K

















NH3-N
TOTAL
Mti/L
0.070
0.070
0.070
0.130
0.100
0.110
0.120
0.060
0.080
0.100
0.100

















TOT KJEL
N
MG/L
0.400
0.300
0.400
0.500
0.300
0.300
0.400
0.400
0.200
0.300
0.300

















00630
N02&N03
N-TOTAL
MG/L
0
0
0
0
0
0
0
0
0
0
0

















.100
.090
.080
.080
.060
.040
.040
.300
.030
.020
.020

















00671
PHOS-UIS
ORTHO
MG/L P
0.025
0.023
0.024
0.008
0.005
O.U05
0.006
0.005
0.005
0.004
0.004

















K VALUE KNOWN  ro ae
LESS THAN  INDICATED

-------
       APPENDIX D

TRIBUTARY AND WASTEWATER
  TREATMENT PLANT DATA

-------
  4- i. IS  Vc'"-'-c
                     - 75/11/23
                                                           0512A1
                                                           34  57  05.0 093 09  )3.Q
                                                           FOu*:H=  Li PiV? c WT^.
                                                           J5       7.? MMsnn 3iM
74/06/23
74/07/21
74/08/16
74/09/22
74/10/20
7^/11/09
74/12/15
75/01/25
75/02/16
75/03/09
75/03/23
75/04/05
75/04/ 12
75/05/03
0&Y  ?

09 32
uS 55
09 35
09 50
09 15
09 10
09 ln
14 30
10 10
10 10
12 45
09 50
11 10
10 40
                       V-63?
                                                                    AR .-UY 7 P=Cr, 0.4  MT  SF 'F POU^CHC  JC"
                                                                                          2111 20*
                                                                                         OCOC p£=T  DEPTH
                                 00625
                                 •T KJ'L
                                  N
 0061C     00671      00665
NH3-N    P'PS-HS   °HOS-TQT
TOTAL     '"'f 7HO
 MG/L     '•'G/l  P     MG/L P
0.036
0.004
0.063
0.^56
0.-148
0.024
5.04C
0.040
0.048
0.040
0.040
0.030
0.035
0.030
0.30-1
G.300
0.600
0.600
0.400
C.7CO
0.500
0.200
0.800
0.300
0.200
1.150
0.550
0.750
0.055
C.I 55
0.150
0.130
0.090
0.09fc
0.045
0.056
0.032
0.024
0.016
0.030
0.015
0.075
0.015
0.025
0.020
0.010
0.015
0.008
0.010
0.010
0.008
0.008
0.008
0.005
0.010
0.025
0.045
0.095
0.060
0.055
0.025
0.030
O.J30
0.320
0.030
0.050
0.030
0.040
0.030
0.030

-------
 T — CT  U-KTF!=VIL
«5TL  r UTTP.-lT i"
7 o A -  i_ 4 <: y ; 3 '* ~
           ir=  75/11/23
          ",'  SU'VFY
C L ^ '*
TO
74/06/23
74/07/21
74/08/18
74/09/22
74/10/20
74/1 1/09
74/12/ 15
75/01/25
75/02/16
75/03/09
75/03/23
75/04/05
75/04/12
75/'">5/03
r =
DAY
15
11
10
10
09
lu
10
15
10
12
15
12
09
14

f-.-T
55
00
40
55
28
}r,
00
00
?0
30
10
30
00
V
\i-T-T4L
MO/L
0.02r.
0.012
0.024
0.064
0.016
3.0^fl
0.056
0.040
0.064
0.048
0.092
0.060
0.040
0.055
70625
T KJtl.
\
VG/L
0.200
0.300
0.30^
0.300
o.ion
C. 7 CO
0.300
O.IOOK
0.200
0.300
0.200
I. 400
I. 400
I. 900
00610
M3-N
T <-! T * I
• . I Q L
MG/L
0.015
0.020
0.015
0.045
0.025
0. 136
0.015
0.048
0.032
0.028
0.024
0.020
0.040
0.540
                                                           34 p4 35.0  093  34 t,0.~>
                                                                 1:  |t  = ev =  f'I V=-
                                                                    YELL  COUNTY
                                                                   M HWY  2
                                                                   liEPALf-S
                                                                             MI
                                              30671     00665
                                            PHCS-OIS  PHCS-TOT
                                             ip TH"
                                             MG/L  P    ^G/L P
                                               0.005K
                                               0.010
                                               0.005
                                               0.015
                                               0.010
                                               0.016
                                               0.010
                                               0.010
                                               0.016
                                               0.008K
                                               0.012
                                               0.005K
                                               0.010
                                               0.020
                                                                 O.D25
                                                                 0.037
                                                                 0.025
                                                                 0.040
                                                                 0.010
                                                                 0.020
                                                                 0.020
                                                                 0.010
                                                                 0.016
                                                                 0.050
                                                                 0.030
                                                                 0.030
                                                                 0.320
 2111204
0000 P~ = T
                                                                                           DE°TH
K VALUE KNOWN TO BE LESS THAN
         INDICATED

-------
                    •~ 75/11/28
      45 VFli?
           IM"
74/06/23
74/07/21
74/08/ 1.8
74/09/22
74/10/20
74/11/09
74/12/15
75/01/25
75/02/16
75/03/09
75/03/23
75/04/05
75/04/12
75/05/03
09 :3
10 lr-
09 50
10 15
09 35
09 25
09 35
14 45
10 30
OS 20
13 20
10 30
10 30
11 00
              00630
            \^2C,",03
            \-TQTJI_
0.024
0.020
0.016
0.040
0.04J
o.ou
0.032
0.024
0.032
0. 032
0.032
0.030
0.025
0.020
                                                           051231
                                                          J4  56  34.0  093 12 00.


00625
T K JFL
>j
MG/L
0.1 00k
0.200
0.200
0.300
G. 3QO
0.6 CO
0 . 400
0. 100K
O.I 00
0.1CO
0. 100K
1.250
0.550
1.850


00610
NH3-N
T^TiL
MG/L
0.015
C.020
0.015
0.025
0.015
0. 128
0.020
0.056
0.016
0.012
0.024
0.025
0.025
0.040


00671
PH?S-OIS
JRTHC
'1G/L P
0.005K
0.010
0.020
0.010
0.007
0.008
0.005
0.005
0.008K
0.008K
0.008K
0.005K
0.005K
0.010
05
T/NH^:
FOREST
1 1 - V i 1 '•
L t w ' •* \— ^
4
006o5
PHDS-TJT

^G/L P
0.010
O.U30
0.020
0.015
O.OJ7
0. 02 0
O.U10
0.010K
0.010K
0.030
0.01 OK
0.020
0.010

                                                                              f N'.MFOD ^
                                                                                        IN3  4.5  «!
                                                                                          2111204
                                                                                        oooo  FEET
                                                                                         w  a=-  HWY 7
                                                                                                    DEPTH
       K VALUE KiTOWN TO BE LESS THAN
                INDICATED

-------
     r'JT-CPHT
     i_ i s v ? ~> \
            c  75/11/23
            SURVEY
74/06/23
74/07/21
74/08/18
74/09/22
74/10/20
74/1 1/09
74/12/15
75/01/25
75/0 ?./ 16
75/03/09
75/03/23
75/04/05
75/04/12
75/05/03
0 i Y

10 71
10 35
10 l-
10 3D
09 5?
09 45
09 5?
15 00
10 50
09 10
13 45
11 30
10 00
12 00
                                                            J512C1
                                                           3t  55  52.3 093 19 25.0


00610
N?25NG3
^I-TTTAL
MG/L
0.312
0.008
T . '"> 2 4
0.040
0.032
0.008
0.008
0.008
0.008
0.008
1.008
0.005
0.005
0.015


30625
T;r K JE L
N
•'••G/l
0. IOOK
0.400
•0.20C
0. 300
0.250
0.900
0.300
Q.100K
o. 5cn
0.200
0.200
1.250
1 .850
1. 750


006 1C
\'H3-N
T?TAL
«G/L
0.015
0.015
C.017
0.025
C.010
0.032
0.015
0.048
0.072
0.012
0.016
0.015
0..022
0.168


3^671
PMOS-DI s
r« THT
«.G/L P
0.005
0.005
0.015
0.010
0.005
0.008
0.005
0.005
0.008K
0.008K
0.008K
0.005

0.010
J5 7.5
3NK 12.5 <••'
11&°AL"S
00665
PHGS-TJT

MG/L P
0.020
0.020
0.020
0.015
0.005
O.J30
0.010
0.010K
0.010
0.030
0.010K
0.020
0.020

                                                                           HWY
                                                                                         7 JCT
                                                                                          2111204
                                                                                         0000 C5=T
  	   K VALUE KNOWN TO BE LESS  THAN   	
                INDICATED

-------
ST?e=T frTCI
     F'JT -rp
                     f 75/11/23
                     SU°.VEY
74/06/23
74/07/21
74/03/18
74/09/22
74/10/20
74/11/09
74/12/15
75/01/25
75/02/16
75/03/09
75/03/23
75/04/05
75/04/ 12
75/05/03
         09 ")7
         09 30
         09 10
         Oti  *5
         03  55
         14  i)5
         09  VO
         10  45
         12  20
         09  00
         13  30
         10  10
                       ^1630
0.10S
0.015
0.096
0.088
D.024
0.043
0.083
0.064
0.096
0.048
0.084
0.080
0.040
0.050
                                 00625
                                :•" KJrL
0.300
1.4CO
0.700
0.300
0.300
0.500
0.400
0.2CO
0.600
0.100
0. 100
2.000
0.550
1.200
 0061C
NH3-N

 MG/L

  0.065
  0.550
  0.080
  0.035
  0.015
  0.016
  0.015
  0.072
  0.024
  0.006
  0.022
  0.025
  0.010
  C.080
                                                                     J5UJ1
                                                                    34 ?9 53.0 J93  1




00671
HCS-0! S
*G/L P
o.no5
0.010
0. 065
0.010
0.010
0.003
0.015
0.015
0.008
0.008K
0.012
0.010
0.010
0.035
05 7.5
T/NIMRDD l.a
2.ND4RY DD B
11EP4L5S
00665
PHCS-T'JT
MG/L P
0.030
O.OdS
0.150
0.030
0.020
0.030
0.020
0.015
0.030
0.040
0.020
0.030
0.020

                                                                                 G 0.7  « !  N!  3 «= PL*!NVIEW
                                                                                          211120«>
                                                                                        0000 FS5T  DEP'H
       K VALUE KNOWN TO BE LESS THAN
                INDICATED

-------
                   i" 75/11/23
                   Ki SU-V-Y
         V 5
  0 i
  P c
74/06/23
74/07/21
74/08/18
74/09/22
74/10/20
74/1'./OS
74/12/15
75/01/25
75/02/16
75/03/09
75/03/23
75/04/05
75/04/12
75/05/03
HAY   c

14 0"
10 00
10 -V'
10 40
09 10
09 30
09 2"5
14 35
09 sn
13 20
15 30
13 15
08 15
13 ->J
                                                             351251
                                                            34  51  25. 3 093 37  22.0
                                                                             15
                                                                          ]=Ei
                                                                                    XIN
••">630
2CM3
T?TAL
viG/L
0. 020
0.016
0.056
0.016
0.032
0.006
0.008
0.008
0.016
0.008
0.012
0.005
0.013
0.015
;»A625
T~T KJEL
N
^G/L
0. 100K
0.300
0.300
0. ICO
0.100K
1.5CO
0.500
0.250
0.1 CO
0.300
0.1CO
1.200
0.900
1.150
•10610
NH3-N
TITiL
MG/L
0.015
0.015
0.035
0.025
0.010
0.032
0.025
0.056
0.048
0.016
0.016
C.020
0.060
0.050
00671
FHCS-OIS
-^a T|-n
MG/L P
0.005K
0.005
0.020
0.005K
0.005K
0.008K
0. 005
0.010
0.008K
0.008K
0.008K
0.005K
0.005K
0.010
OJ665
=HCS-TuT

MG/L P
0.015
0. J20
O.J20
0.010
O.JlO
O.U20
0.010
0.015
0.030
0.020
0.310
0.020
O.D10K

                                                                                         4 «! SSW  CF
                                                                                           2111204
                                                                                          0000  FPCT
      K VALUE KNOWN TO BE LESS THAN
               INDICATED

-------
                 75/11/23
 0512F1
34 56  40.0
£ AST  ;•'- ?Cr
05       15
                                                                            C93  36 30.0
                                                                            CS  C5 FEK
                                                                            GC1V?LLY
T/MIM33Q  LAKC
NAT FOPr.ST  Pr.
UtPALrS
OST§
F? nw
TO
7^/06/23
7^/07/21
7^/08/ 18
74/09/22
74/10/20
74/11/09
74/12/15
75/01/25
75/02/16
75/03/09
75/03/23
75/04/05
75/04/12
75/05/03
00630 00625
TIM^ O'PTH N'^2&N03 TCT KJcL
.-. = N_TOT4t N
OiY C=::T
13
09
09
10
C9
09
09
14
10
13
15
13
07
13
30
45
35
30
15
3;
35
40
00
05
25
00
50
25
MG/L
0.
0.
0.
0.
0.
0.
'•>.
0.
0.
0.
0.
0.
0.
0.
012
184
660
104
024
006
008
008
008
008
012
005
010
020
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
1.
0.
0.
100K
500
200
100
100
150
200
100
300
300
100K
000
400
625
00610 00671 OObbS
NH3-N PHOS-OIS PHOS-TOT
TOTAL ^CTHO
MG/L
0.
0.
c.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
015
045
020
025
010
024
02C
048
032
016
018
020
015
210
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
p
005K
005
020
005
005K
016
010
005
00 8K
008K
008K
005
010
015
MG/L P
O.D20
0.020
0.020
0.020
0.010
0.020
0.020
0.020
0.020
0.050
0.020
0.030
0.020
0.055
                                                                               XING 3 M!  S  ?F BLUFFT7N
                                                                                      2111204
                                                                                     0.0 CO FffT
K VALUE KHOWN TO BE LESS THAN
         INDICATED

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         APPENDIX E

PARAMETRIC RANKINGS OF LAKES
   SAMPLED BY NES IN 1974

    STATE OF ARKANSAS

-------
LAKE ilATi TO -E 'JSKD  IN  -.aN
-------
        OF LAKE"; WITH nlGHER VALUES
                                      OF LAKES WITH HIGHER VALUES)
CODE




0501




050?




0503




0504




0505




050<>




0507




0508




0509




0510




0511




0512




0513




051*




0515




0516
LAKE NAME




BEAVE3 LAKE




BLACKFISH LAKE




BLUE MOUNTAIN LAKE




BULL SHOALS LAKE




LAKE CATHERINE



LAKE CrilCOT



DEGPAY RESERVOIR




LAKE ERLING



GRAND LAKE




LAKE HAMILTON



MILLWOOD LAKF.




NIMPOD LAKE



NORFOLK LAKE



LAKE OUACHITA



TABLE ROCK LAKE




GREER'S LAKE
MEDIAN
TOTAL P
63 (
0 (
20 (
90 (
47 (
7 (
73 (
27 (
13 (
S3 (
33 (
40 (
80 (
90 (
63 (
100 (
9)
0)
3)
13)
7)
1)
11)
4)
2)
8)
5)
6)
12)
13)
9)
15)
MEDI AN
INOKG N
27 (
0 (
47 (
13 (
40 (
7 (
77 (
90 (
100 (
77 (
90 (
53 (
33 (
60 (
20 (
67 (
4)
0)
7)
2)
6)
1 )
11)
13)
15)
11)
13)
8)
5)
9)
3)
10)
SOO-
«EAN SEC
67
0
13
100
47
7
60
40
20
53
33
27
93
80
73
87
( 10)
( 0)
( 2)
( Ib)
( 7)
( 1)
( 9)
( 6)
( 3)
( 8)
( 5)
( 4)
( 14)
( 12)
( 11)
( 13)
MEAN
CHLO«A
87 (
7 {
67 (
60 (
27 (
33 (
47 (
40 (
0 (
53 (
20 t
13 (
100 (
73 (
60 (
93 (
13)
1)
10)
12)
4)
5)
7)
6)
0)
8)
3)
2)
15)
11)
9)
14)
15-
MIN 00
40 (
73 (
57 (
17 (
80 (
47 (
17 (
57 (
100 (
67 (
87 (
93 (
17 (
17 (
17 (
17 (
6)
11)
ft)
0)
12)
7)
0)
8)
15)
10)
13)
14)
0)
0)
0)
0)
MEDIAN
DISS OPTHO P
63
0
27
93
63
7
93
20
13
63
33
47
80
63
40
93
( R)
( 0)
( 4)
( 13)
( 8)
( 1)
( 13)
( 3)
( 2)
( 8)
( 5)
( 7)
( 12)
( 8)
( 6)
( 13)

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