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.
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1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing land ice areas (snow fields or ice fields which are on land) worldwide and was published as part ... American Geological Institute.
1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing large urban areas (built-up areas) worldwide and was published as part of the USGS Global GIS : g... American Geological Institute.
1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing larger perennial water bodies and rivers worldwide and was published as part of the USGS Global G... American Geological Institute.
1998. Causey, J. Douglas. and Geological Survey (U.S.). This datalayer is a point coverage representing mine and mineral resource occurrence data worldwide (most thoroughly within the U.S.) and was publi... U.S. Geological Survey.
1972. American Geological Institute, Geological Survey (U.S.), and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is a point coverage representing metallic and non-metallic mineral resources worldwide. This data was derived from the Mineral Resou... 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.
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide miscellaneous industry point features and was published as part of the USGS Global GIS : ... American Geological Institute.
1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing worldwide locations where natural resources are being extracted from the earth and locations wher... American Geological Institute.
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing worldwide locations where natural resources are being extracted from the earth. It was published as... American Geological Institute.