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Hijmans, Robert J. This polygon shapefile contains the first-level administrative divisions of United States (adm1). Level 1 divisions include states and federal dist... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
Hijmans, Robert J. This polygon shapefile contains the second-level administrative divisions of United States (adm2). Level 2 divisions include counties and cities. T... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Minnesota. School districts are geographic entities within which state,... U.S. Census Bureau. Geography Division.
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This line shapefile shows the coastline, linear hydrographic features, and area hydrographic features in North America. This data set was produced ... Geological Survey (U.S.).
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Geological Survey (U.S.), and Canada Centre for Remote Sensing. This polygon shapefile shows areas of coastline, and other hydrographic features in North America. This data set was produced using digital files s... Geological Survey (U.S.).
2011. United States. Office of the Deputy Under Secretary of Defense (Installations and Environment) and United States. Bureau of Transportation Statistics. This polygon shapefile depicts sites that were selected from the 2010 Base Structure Report (BSR), a summary of the DoD Real Property Inventory (RP... United States. Bureau of Transportation Statistics.
Hijmans, Robert J. This polygon shapefile contains the boundary of Greenland (adm0). This layer is part of the Global Administrative Areas 2015 (v2.8) dataset. University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
Hijmans, Robert J. This polygon shapefile contains the first-level administrative divisions of Greenland (adm1). Level 1 divisions include communes and national parks... University of California, Berkeley. Museum of Vertebrate Zoology and International Rice Research Institute.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Iowa. School districts are geographic entities within which state, coun... 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 Iowa. The USGS Protected Areas Database of the United States (PAD-US... Gap Analysis Program (U.S.).