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2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Alabama. School districts are geographic entities within which state, c... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in West Virginia. School districts are geographic entities within which st... U.S. Census Bureau. Geography Division.
2013. Applied Science Associates. This polygon shapefile represents marine mammal management areas in the Northeastern United States. The Code of Federal Regulations designates area... Northeast Ocean Data.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Ohio. School districts are geographic entities within which state, coun... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in South Carolina. School districts are geographic entities within which s... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the elementary school district boundaries in Illinois. School districts are geographic entities within which stat... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the 2000 U.S. Census secondary school district boundaries in Illinois. Secondary school districts provide educati... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Pennsylvania. School districts are geographic entities within which sta... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Tennessee. School districts are geographic entities within which state,... U.S. Census Bureau. Geography Division.
2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2016. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Fee and Easements features for Ohio. The USGS Protected Areas Database of the United States (PAD-US... Gap Analysis Program (U.S.).