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The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both topographic and geologic maps for each quad represented in that folio, as well as description of the basic and economic geology of the area. The Geologic Atlas collection is maintained by the Map & GIS Library.

Comments and questions regarding this collection should be directed to The Map & GIS Library (MGL).

The repository interface with integrated OpenLayers was developed by the Digital Initiatives -- Research & Technology group within the TAMU Libraries using the Manakin interface framework on top of the DSpace digital repository software.

Additional files of each map are available for download for use in GIS or Google Earth. A tutorial is provided which describes how to download theses files.

Creative Commons License
Geologic Atlas of the United States by Texas A & M University Libraries is licensed under a Creative Commons Attribution 3.0 United States License.

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