Zebra Mussel Sightings in the Chesapeake Bay Watershed Chesapeake Bay Program A Watershed Partnership Zebra Mussel Sightings * 1991 -2000 ° 2001 - 2005 ° 2006-2007 WV' Data Sources: NAS/USGS For more information, visit www.chesapeakebay.riet Disciaimer: www.chesapeakebay.netAermsofuse.htm 0 10 20 40 Kilometers 111111111 1 i i i I i i i I 0 12.5 25 50 Miles n Created by JG, 3/2/08 UTM Zone 18N, NAD 83 ------- |