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1. Delaware River Watershed Municipalities: Pennsylvania

2016. Natural Lands Trust. Municipality boundaries for the Delaware River Watershed. The attribute information contains the municipality name, county name, and state name. Th...

2. 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...

3. 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 ...

4. 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 ...

5. Natural Lands Trust - Public Preserves

2015. Natural Lands Trust. These are the NLT preserves that are currently open to the public (2015). Trails, parking areas, and other information can be found on the NLT webs...

6. Water Quality - Central Appalachian Forest Ecoregion: Pennsylvania

2010. Natural Lands Trust. This raster dataset has been created using inputs including 'small watersheds' collected through PASDA (www.pasda.psu.edu) and 303d/305B data from ...