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21. Impervious Cover Change 1985-2000: Pennsylvania

2006. Natural Lands Trust. This raster dataset has been created by calculating the average of impervious surface for the small watersheds for years 1985 and 2000. The differe...

22. Impervious Cover year 1985: Pennsylvania

2006. Natural Lands Trust. This raster dataset has been created using the attribute field 'Value' from the 'Impervious Surface Area for Southeast Pennsylvania, 1985' data as ...

23. Impervious Cover year 2000: Pennsylvania

2006. Natural Lands Trust. This raster dataset has been created using the attribute field 'Value' from the 'Impervious Surface Area for Southeast Pennsylvania, 2000' data as ...

24. Important Bird Areas for Pennsylvania

2006. Natural Lands Trust with input data from PA DEP. This raster dataset has been created using the 'Important Bird Areas' as originated by the Pennsylvania Audubon Society. All areas designated as co...

25. Important Mammal Areas

2006. Natural Lands Trust with input data from PA DEP. This raster dataset has been created using the 'Important Mammal Areas' as originated by the Environmental Resources Research Institute of Pennsylv...

26. Interior Forest Habitat: Pennsylvania

2006. Natural Lands Trust with input data from PA DEP. This raster dataset has been created using 'Pennsylvania Land Cover dated 1992' developed by the EROS Data Center for EPA Federal Region III (see m...

27. Isolines for the 30-Year Precipitation dataset (1971-2000) for the Susquehanna River Basin

2006. Susquehanna River Basin Commission (SRBC). Isoline shapefile created from the 1971-2000 precipitation raster dataset from the Spatial Climate Analysis Service, Oregon State University. This ...

28. Juniata Subbasin: Pennsylvania

2006. SRBC. Polygon shapefile of the Juniata Subbasin. This file was created from the 2006 subbasin.shp SRBC dataset.

29. Landcover - State College, Pennsylvania

2006. University of Vermont Spatial Analysis Laboratory. High resolution land cover dataset for State College, Pennsylvania. Seven land cover classes were mapped: (1) tree canopy, (2) grass/shrub, (3) bar...

30. Level 3 Ecoregions for the Susquehanna River Basin: Pennsylvania

2006. SRBC. Polygon shapefile that depicts level 3 ecoregions for the Susquehanna River Basin (2006 boundary). Ecoregions are based on perceived patterns of a ...