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Author
Natural Lands Trust
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Access
Public
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Collection
Pennsylvania Spatial Data Access (PASDA)
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Year
2006
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1. 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 ...
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 ...