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Start Over Resource Type Line data Theme Elevation
2004. Instituto Nacional de Estadística, Geografía e Informática (Mexico), Canada Centre for Mapping, and Geological Survey (U.S.). This line shapefile shows bathymetric contours with depth in metres for ocean areas covered by the extent of the North American Atlas project. Isob... Canada Centre for Mapping, Instituto Nacional de Estadística, Geografía e Informática (Mexico), and Geological Survey (U.S.).
1967. Costa, Laurent. This line shapefile represents contour lines in Paris, France as defined in the Geological Atlas of 1967 by Vincent Krier. The ALPAGE programme aim... Analyse Diachronique de l'espace Urbain Parisien: Approche Geomatique.
2015. Sacramento County GIS. This polyline shapefile contains 2-foot contours of the Sacramento Delta in the County of Sacramento, California. This layer is part of a collectio... Sacramento County GIS.
2008. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polyline shapefile depicts data compiled within the nine county San Francisco Bay Area Region, California using the following methods: 1) Usin... Bay Area Open Space Council.
2006. World Wildlife Fund. This river network (stream lines) map for South America is derived from the flow direction map for South America. The flow accumulation map for Sou... Geological Survey (U.S.).
2006. World Wildlife Fund. This river network (stream lines) map for South America is derived from the flow direction map for South America. The flow accumulation map for Sou... 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 line shapefile depicts contains topographic contours of the Elk River watershed in Humboldt County, California. These countours were derived f... California Geological Survey.
2002. California. Division of Mines and Geology and California. Department of Conservation. This line shapefile represents the topography only for the Jackson Demonstration State Forest (JDSF), which is predominantly located on the coastal... California. Division of Mines and Geology.
2007, 2008, 2009, and 2010. Chin, John L., Johnson, Samuel Y., Ross, Stephanie L., Sliter, Ray W., and Golden, Nadine E. This line shapefile contains transgressive contours at 5 and 10 meter intervals for the areas within the 3-nautical mile limit between Bolinas and ... Geological Survey (U.S.).
2009. Watt, Janet T., Hartwell, Stephen R., Johnson, Samuel Y., Sliter, Ray W., and Pacific Coastal and Marine Science Center. This line shapefile contains transgressive contours at 5 and 10 meter intervals for the area within the 3-nautical mile limit between Salt Point an... Geological Survey (U.S.).