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2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Vermont. 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 Virginia. School districts are geographic entities within which state, ... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Washington. School districts are geographic entities within which state... 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.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Wisconsin. School districts are geographic entities within which state,... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Wyoming. School districts are geographic entities within which state, c... U.S. Census Bureau. Geography Division.
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This polygon shapefile represents the federal and Indian-owned land areas (for example, Bureau of Indian Affairs, Department of Defense, and Tennes... Environmental Systems Research Institute (Redlands, Calif.).
1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. National Atlas of the United States, Environmental Systems Research Institute (Redlands, Calif.), and Geological Survey (U.S.). This polygon shapefile represents the Public Land Surveys (for example, donation lands, land grants, and public and private surveys of public lands... Environmental Systems Research Institute (Redlands, Calif.).
2000. Food and Agriculture Organization of the United Nations. This polygon shapefile portrays urban areas in Kenya. These data were acquired from FAO's Africover dataset (2000). This data was used in Map 1.3 a... Food and Agriculture Organization of the United Nations.
2000. California. Metropolitan Transportation Commission. This polygon shapefile contains the urbanized areas of California. These data were derived from the TIGER/2000 Urbanized Areas (UA) dataset of the ... California. Metropolitan Transportation Commission.