1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing major roads worldwide and was published as part of the USGS Global GIS : global coverage databas... American Geological Institute.
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2003. EROS Data Center, Geological Survey (U.S), American Geological Institute, and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is a polygon coverage representing hydrologic drainage basins located worldwide. The data displayed here is derived from the HYDRO 1... American Geological Institute.
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide navigational hazards or dangers near ocean and navigable lake coastlines and was publishe... American Geological Institute.
2003. Wolf, Aaron T., Natharius, Jeffrey A., Danielson, Jeffrey J., Ward, Brian S., Pender, Jan K., American Geological Institute, and Geological Survey (U.S). This datalayer is a polygon coverage representing the Transboundary Freshwater Dispute Database dataset: international river basins of the world. T... American Geological Institute.
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide miscellaneous hydrography point features and was published as part of the USGS Global GIS... American Geological Institute.
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing geothermal features such as hot springs and fumaroles located throughout current VMap1 geographic c...
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing named locations of hydrographic feature text label points located throughout current Vmap geographi...