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Inland Waters
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Penn State
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Year
2010
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1. Census Block Groups: Philadephia, Pennsylvania
2010. U.S. Department of Commerce, U.S. Census Bureau, Geography Division. The TIGER/Line Files are shapefiles and related database files (.dbf) that are an extract of selected geographic and cartographic information from ...
2. Choptank River Heritage Watershed
2010. USDA-NRCS, 1221 College Park Drive, Suite 100, Dover, DE 19904. Shows watershed of the Choptank River and its tributaries, on Maryland's Eastern Shore.
3. National Flood Hazard Layer: Forest County, Pennsylvania
2010. The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Managemen...