2001.
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2001. National Atlas of the United States. The Bathymetric Shaded Relief of North America map layer shows depth ranges using colors, with relief enhanced by shading. The image was derived fr... National Atlas of the United States.
2001. National Atlas of the United States. The Bathymetry of North America map layer shows depth ranges using colors. The image was derived from the National Geophysical Data Center's ETOPO2... National Atlas of the United States.
2001. "Publication date: 11/2001." Cross section color-coded for geologic time period represented within the geologic layers. Includes notes, color cross... Ohio. Department of Natural Resources.
2001. Ohio. Division of Geological Survey. Scale approximately 1:2,000,000. Text on verso: Glacial deposits of Ohio. "Publication date: 7/01"--Verso. Ohio. Division of Geological Survey.
2001. A map showing designated Phase II project construction sites involved with an ongoing effort to upgrade and maintain facilities related to water ma...
2001. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements around the world observed during 2001. The Defense Meteorological Satellite Program (DMSP) Oper... National Geophysical and Solar-Terrestrial Data Center.
2001. United States. Minerals Management Service. This polygon shapefile shows the official protraction diagram (OPD) and leasing map boundaries for the United States, covering areas of the Outer C... Geological Survey (U.S.).
2001. Ohio. Division of Geological Survey. State of Ohio, Department of Natural Resources, Division of Geological Survey. "Publication date: 02/01." Scale not given. "Larger versions of this... Ohio. Department of Natural Resources.
2001. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing agricultural facilities such as silos, storage bins for feeds or grains and grain elevators. Object...