Base from digital �les of:U.S. Department of Commerce, Bureau of Census, 1990 Precensus TIGER/Line Files-Political boundaries, 1991Environmental Protection Agency, River File 3U.S. Geological Survey, 1:100,000 scaleNorth American Datum of 1927

Hell PointCreek

MuddyCreek

BeggarsBridgeCreek

NawneyCreek

DevilCreek

OakumCreek

MilldamCreek

Walnut Creek

Blackwater Creek

WestNeckCreek

LondonBridgeCreek

TullCreek

CorollaBarco

AtlanticIntracoastalwaterway

Study site and site number6EXPLANATION

Jean GuiteCreek

24

14/15

6

23

54

2120

7