Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Author Environmental Resources Research Institute Remove constraint Author: Environmental Resources Research Institute Subject Inland Waters Remove constraint Subject: Inland Waters
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1. Boundaries of exceptional value watersheds: Pennsylvania , 1996

1995. Environmental Resources Research Institute. Watersheds of exceptional quality streams.

2. Networked streams of Pennsylvania: Pennsylvania, 1998

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. Pennsylvania - 104 State Water Plan watersheds: Pennsylvania, 1998

1997. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...

4. Pennsylvania - small watersheds: Pennsylvania, 2014

2014. Environmental Resources Research Institute and Eastern Pennsylvania Coalition for Abandoned Mine Reclamation (EPCAMR). Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazeteer of streams. These boundaries enclose catchment areas for name...

5. Pennsylvania Major River Basins: Pennsylvania, 1998

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...

6. Pennsylvania Major Rivers: Pennsylvania, 1996

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

7. Scenic Rivers: Pennsylvania, 1996

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

8. Small Watersheds: Pennsylvania, 1997

1997. Environmental Resources Research Institute. Boundaries of 9,895 watersheds in Pennsylvania indicated in the Pennsylvania gazeteer of streams. These boundaries enclose catchment areas for name...

9. Spring Creek Watershed streams: Pennsylvania, 1996

1995. Environmental Resources Research Institute. Streams within the Spring Creek Watershed.