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1Published 1991“...U.S. Geological Survey ;...”
Government Document Microform Map -
2Published 1991“...U.S. Geological Survey ;...”
Government Document Microform Map -
3by Smith, C. J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
Government Document Book -
4by Payne, G. A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
Government Document Book -
5by Lorenz, D. L.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1989
Government Document Book