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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, 2004, and 2005. Geological Survey (U.S.). This polygon shapefile portrays the state boundaries of the United States, and the boundaries of Puerto Rico and the U.S. Virgin Islands. The map l... Geological Survey (U.S.).
2000. California Geological Survey. This polygon file depicts stream features as of the year 2000 within the Albion River watershed predominantly located on the coastal side of the Me... California Geological Survey.
2000. California. Metropolitan Transportation Commission. This polygon shapefile contains superdistrict boundaries and population statistics created by the Metropolitan Transportation Comission (MTC) using... California. Metropolitan Transportation Commission.
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, 2004, and 2005. National Atlas of the United States. This polygon shapefile portrays the time zones of the United States, Puerto Rico, and the U.S. Virgin Islands. Also included are the Greenwich Mean... National Atlas of the United States.
2000. Food and Agriculture Organization of the United Nations. This polygon shapefile shows area locations of tree plantations in Kenya. These data were acquired from FAO's Africover dataset (2000) This data wa... Food and Agriculture Organization of the United Nations.
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 Alaska. School districts are geographic entities within which state, co... U.S. Census Bureau. Geography Division.
2000. U.S. Census Bureau. Geography Division. This polygon shapefile represents the unified school district boundaries in Arizona. 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 Arkansas. 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 California. School districts are geographic entities within which state... U.S. Census Bureau. Geography Division.