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1. Aquatic Resources Group: Pennsylvania

2006. Natural Lands Trust with input data from PA DEP. This raster dataset is a compilation of several data sets that have been combined to create an overall aquatic resources conservation value raster ...

2. Floodplains: Pennsylvania

2006. Natural Lands Trust with input data from PA DEP. This raster dataset has been created using the 'Floodplains from the PA Explorer CD-ROM edition' for each county in the study area as originated by...

3. Headwater Protection: Pennsylvania

2006. Natural Lands Trust. This raster dataset has been created using inputs including 'small watersheds' (see metadata entitled 'smallsheds.xml') and the National elevation ...