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2006. National Atlas of the United States. The color Hawaii shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of Hawaii at a resolution of 200 ... National Atlas of the United States.
1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, and 2002. USGS National Center for EROS. The North America Shaded Relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with a horizon... National Atlas of the United States.
2002. National Atlas of the United States. The color Puerto Rico and U.S. Virgin Islands shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of P... National Atlas of the United States.
2007, 2008, 2009, and 2010. Dartnell, Peter, Kvitek, Rikk G., Seafloor Mapping Lab, Pacific Coastal and Marine Science Center, and Golden, Nadine E. This line shapefile contains bathymetric contours at 10 meter intervals for the offshore region of Point Reyes, California. These data were generat... Geological Survey (U.S.).
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 raster dataset contains a 10-meter resolution digital elevation model (DEM) of the Elk River watershed in Humboldt County, California. This da... California Geological Survey.
1974. Rosenberg, Lewis I. This digital raster graphic (DRG) is a composite raster image of two scanned 1974 USGS topographic maps including the collar information, georefere... Lew Rosenberg, Consulting Geologist.
2009. Manson, Michael W., Greene, H. G., Watt, Janet T., Moss Landing Marine Laboratories, Pacific Coastal and Marine Science Center, and Golden, Nadine E. This line shapefile represents fault lines in the offshore region of Point Reyes, California, Faults in the Point Reyes map area are identified on ... Geological Survey (U.S.).
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). Wildfire can cause serious and long-lasting damage to ecosystems. Following National Fire Plan concepts, this raster dataset depicts the California... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts fire threats as a combination of two factors for the nine county San Francisco Bay Area Region, California: 1) the like... Bay Area Open Space Council.
2004. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This raster dataset depicts a fuel assessment methodology developed by the California Fire Plan developed by the California Department of Forestry ... Bay Area Open Space Council.