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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.

6. Spring Creek Watershed basin area: Pennsylvania

1996. Environmental Resources Research Institute. Basin area of the Spring Creek Watershed. Includes subbasins for all tributaries within the Spring Creek Watershed.

7. Spring Creek Watershed minor civil divisions: Pennsylvania

1996. Environmental Resources Research Institute. Shows minor civil divisions located in the Spring Creek Watershed.

8. Spring Creek Watershed PCB and other pollution data: Pennsylvania

1996. Environmental Resources Research Institute. Shows sources and locations of Polychlorinated biphenyls (PCBs) and trichloroethene pollutants in the Spring Creek Watershed.

9. Spring Creek Watershed soils: Pennsylvania

1996. Environmental Resources Research Institute. Soil types located in the Spring Creek Watershed. Taken from the Centre County soils classification.

10. Spring Creek Watershed STATSGO soil coverage: Pennsylvania

1996. Environmental Resources Research Institute. STATSGO, state-wide soil coverage for areas within the Spring Creek Watershed.