Land Cover: USGS National Land Cover 1992-2002
Topography: USGS Digital Elevation Model
DEQ testing stations & Impaired streams: Virginia Department of Environmental Quality 2005
Park boundary: Shenandoah National Park
Roads: Virginia Department of Transportation 2005
Watersheds boundaries: Virginia’s 1995 Hydrologic Unit System
Rivers & Streams: National Hydrology Database 2005
County boundary: Rappahannock County Government 2005
Easements: Virginia Outdoors Foundation 2005
Parcels: Piedmont Research Institute 2002
Upper Thornton Subwatershed Boundaries: Piedmont Research Institute 2005
Click on the map for your watershed, or use the link on the left.
Using the menu at the top will give you maps as indicated and as available. The links below contain information on your watershed.