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1. Areas and Facies Types of Metamorphism: Geology of the Conterminous United States, 2005

2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the outlines of major calderas and impact structures in the United States. This layer is part of the Geologic Map of the ... Geological Survey (U.S.).

2. Fees and Easements, LCC 14, Protected Areas Database of the United States, 2005-2016

2005. Gap Analysis Program (U.S.). This polygon shapefile contains combined PAD-US Fee and Easements features for Landscape Conservation Cooperative (LCC) 14. The USGS Protected Area... Gap Analysis Program (U.S.).

3. Quaternary Fault and Fold Database of the United States (Polygons)

2005. Geological Survey (U.S.). This map layer contains locations and information on faults and associated folds, in the United States, that are believed to be sources of signific... National Atlas of the United States.