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Large Scale International Boundaries
Overview The Office of the Geographer and Global Issues at the U.S. Department of State produces the Large Scale International Boundaries (LSIB) dataset, currently at version... -
Digital Data from a Previously Published Tectonic Map of the Colorado Plateau
This digital dataset release of the Tectonic Map of the Colorado Plateau is a courtesy publication of the previously published legacy report by V.C. Kelley in 1955. The original... -
Collection of digital structure contour maps from previously published USGS studies
Under the direction and funding of the National Cooperative Geologic Mapping Program (NCGMP) with guidance and encouragement from the United States Geological Survey (USGS),... -
Digital data of isopach contours and salt extent boundaries from previously...
This GIS dataset presents contours and maps from previously published interpretations of hydrogeologic units of the northern Great Plains by Downey (1986). The original source...