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1. National Fish Hatcheries in Pennsylvania

1996. Environmental Resources Research Institute. Boundaries of fish hatcheries on 1:24,000 USGS topographic maps, locations verified from the National Park Service list.

2. National Wildlife Preserves in Pennsylvania

1996. Environmental Resources Research Institute. Boundaries of National Wildlife Preserves in Pennsylvania. Boundaries were provided by the United States Department of the Interior, National Fish ...

3. Spring Creek Watershed 30-meter digital elevation model: Pennsylvania

1996. Environmental Resources Research Institute. 30-meter contours, digital elevation model for the geographic area coverage of the Spring Creek Watershed.

4. Spring Creek Watershed 7.5 minute quadrangle coverage: Pennsylvania

1996. Environmental Resources Research Institute. File shows those United States Geological Survey 7.5-minute quadrangles which overlay the geographic extent of the watershed.

5. 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.

6. Spring Creek Watershed boundaries: Pennsylvania

1996. Environmental Resources Research Institute. Geographic boundaries of the Spring Creek Watershed.

7. Spring Creek Watershed buffer boundaries: Pennsylvania

1996. Environmental Resources Research Institute. Shows 1 km. buffer zone bounding the perimeter of the Spring Creek Watershed.

8. Spring Creek Watershed minor civil divisions: Pennsylvania

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

9. 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.

10. 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.