Search Results
2007. Map Maker Ltd. This polygon shapefile contains constituency boundaries for Malawi as of January 2007. These are the level 3 administrative units (ADM3) for Malawi... Map Maker Ltd.
2007. Map Maker Ltd. This polygon shapefile contains constituency boundaries for Namibia as of January 2007. These are the level 2 administrative units (ADM2) for Namib... Map Maker Ltd.
2007. Map Maker Ltd. This line shapefile contains constituency boundaries for Namibia as of January 2007. These are the level 2 administrative units (ADM2) for Namibia.... Map Maker Ltd.
2003. Geological Survey (U.S.) Minerals Information Team. This point shapefile represents construction minerals operations in the United States. The data represent commodities covered by the Minerals Infor... National Atlas of the United States.
1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 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, and 2000. California Geological Survey, California. Department of Conservation, Marshall, Gerald, and Mendes, Eric. This line shapefile depicts contacts and faults within the Elk River watershed in Humboldt County, California. This dataset is the product of the D... California Geological Survey.
1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. California Geological Survey. This line shapefile depicts contacts and faults within the Albion River watershed in Mendocino County, California. These data were mapped at a 1:24... California Geological Survey.
2002. National Atlas of the United States. This line shapefile represents the Continental Divide of the United States. The map layer was created by extracting Hydrologic Unit Boundary line f... National Atlas of the United States.
1982, 1983, 1984, 1985, 1986, 1987, 1988, and 1989. Geological Survey (U.S.). This polygon shapefile contains sediment grain size distributions for the east coast continental margin of the United States Atlantic coast, Sedime... Coastal and Marine Geology Program (Geological Survey). Woods Hole Field Center.
2010. Towill Inc. Elevation Contours of Napa County for non-watershed Area, 10 foot interval. These are the 10 ft contours produced during the 2002/2003 Orthophotog... Napa County (Calif.). County Of Napa.
2007, 2008, 2009, and 2010. Pacific Coastal and Marine Science Center, Dartnell, Peter, Kvitek, Rikk G., Phillips, Eleyne L., and Golden, Nadine E. This polyline shapefile contains bathymetric contours at 10 meter intervals derived from several seafloor maps of Drakes Bay and the surrounding vi... Geological Survey (U.S.).