Geography

Study of the earth's landforms, topography, and climate, the distribution of flora and fauna, and the distribution, culture, and activities of human populations.
This category is also used for geographic information sciences.

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Geologic map of the Stillwater Complex, Montana: topographic base map image

Four film positives of topography [which was prepared in 1943 and subsequently used by Page and Nokleberg (1974) for a base map for the geology of the Stillwater Complex, Montana] were scanned, and the resulting TIFF images were then geoferenced, rectifie

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A digital version of the 1970 US Geological Survey topographic map of the San Francisco Bay region, three sheets, 1:125,000

This Open-File report is a digital topographic map database. It contains a digital version of the 1970 U.S. Geological Survey topographic map of the San Francisco Bay Region (3 sheets), at a scale of 1:125,000.

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Extent of Pleistocene Lakes in the Western Great Basin

During the Pliocene to middle Pleistocene, pluvial lakes in the western Great Basin repeatedly rose to levels much higher than those of the well-documented late Pleistocene pluvial lakes, and some presently isolated basins were connected. Sedimentologic,

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