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Start Over Year 2005 Publisher Geological Survey (U.S.)
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile contains text labels (for display purposes) of the geologic line coverage in the United States. This layer is part of the Geolo... Geological Survey (U.S.).
2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This line shapefile contains lines with labels and tags for major geologic units in Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. In add... Geological Survey (U.S.).
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of geologic units within the United States. This layer is part of the Geologic Map of the United States, ori... Geological Survey (U.S.).
2005. Reed, John Calvin, Jr. 1930- and Bush, Charles A. This polygon shapefile contains polygon boundaries, tags and labels for major geologic units in Alaska, Hawaii, Puerto Rico and the U.S. Virgin Isl... Geological Survey (U.S.).
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This point shapefile shows the locations of impact structures in the United States. An impact structure is a crater formed by the impact of a meteo... Geological Survey (U.S.) and National Atlas of the United States.
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of major calderas and impact structures in the United States. A caldera is a large, generally circular depre... Geological Survey (U.S.) and National Atlas of the United States.
2005. Geological Survey (U.S.). This line shapefile represents railroads in the conterminous United States and Alaska at 1:2,000,000. This is a replacement for the December 1998 m... Geological Survey (U.S.).
2004, 2005, 2006, 2007, and 2008. Erdey, Mercedes D., Cochrane, Guy R., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data for the offshore area of Bolinas, California. This layer is part of U... Geological Survey (U.S.).
2004, 2005, 2006, 2007, and 2008. Erdey, Mercedes D., Cochrane, Guy R., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor data for the offshore area of San Francisco, California. This layer is part of USGS ... Geological Survey (U.S.).
2005, 2006, 2007, 2008, 2009, and 2010. Erdey, Mercedes D., Cochrane, Guy R., Phillips, Eleyne L., Pacific Coastal and Marine Science Center, and Golden, Nadine E. This layer is a georeferenced raster image containing seafloor character data for the offshore area of Santa Barbara, California. This map shows si... Geological Survey (U.S.).