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1. Greenway Hubs: Pennsylvania

2007. Hubs are areas that have a high natural resource value such as large intact forests or abundant wildlife. They have little fragmentation and includ...

2. NLT - Schuylkill Action Network - Land Prioritization Strategy Model (GIS Data and Maps): Pennsylvania

2007. Delaware Valley Regional Planning Commission, Natural Lands Trust, Philadelphia Water Department. Natural Lands Trust works proactively to protect the natural heritage of the Philadelphia region for today and generations to come. This file conta...

3. United States Solar Potential (lower 48)

2007. SUNY Albany and NREL. Monthly and annual average solar resource potential for 48 Contiguous United States.