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Environment
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Penn State
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2011
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1. Choptank River Heritage Environmental
2011. ChoptankRiverHeritage.org. Shows environmental education and preservation sites in or near the watershed of the Choptank River, on Maryland's Eastern Shore, that are of inter...
2. DEP Regions: Pennsylvania
2011. PA DEP. Spatially displays the six regions of Pennsylvania Department of Environmental Protection.
3. Keep Pennsylvania Beautiful - Illegal Dump Surveys - points: Pennsylvania
2011. Keep Pennsylvania Beautiful. Keep Pennsylvania Beautiful illegal dump surveys educate state, county and local officials, as well as citizens, about the problem of illegal dumpi...
4. Wooded Areas: Allegheny County, Pennsylvania
2011. Allegheny County Division of Computer Services Geographic Information Systems Group. Stands of trees (coniferous and deciduous) too numerous to plot as individual trees. The area is delineated following a generalized line along the ...