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You searched for: Author Environmental Resources Research Institute Remove constraint Author: Environmental Resources Research Institute Subject Hydrology Remove constraint Subject: Hydrology Subject Inland Waters Remove constraint Subject: Inland Waters
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1. Major River Basins: Pennsylvania

1998. Environmental Resources Research Institute. This polygon layer delineates the boundaries of 8 major watersheds in Pennsylvania that have shown through past vertebrate inventory collection rec...

2. Networked streams of Pennsylvania

1998. Environmental Resources Research Institute. The connected network of streams and waterways of Pennsylvania are indicated as single lines in this coverage. Waterways are given connected topolo...

3. Boundaries Of Exceptional Value Watersheds: Pennsylvania

1996. Environmental Resources Research Institute. Watersheds of exceptional quality streams.

4. Major Rivers: Pennsylvania

1996. Environmental Resources Research Institute. Major rivers as derived from Pennsylvania Dept. of Transportation's streams database, which is organized by county.

5. Scenic Rivers: Pennsylvania

1996. Environmental Resources Research Institute. State designated scenic rivers.