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Lexicon of geologic names of the United States for 1936-1960 : a compilation of the geologic names of the United States, its possessions, the Trust Territory of the Pacific Islands, and the Panama Canal Zone / by Grace C. Keroher and others.

Grace C. Keroher 1901- Geological Survey (U.S.), issuing body.

Washington, D.C. : United States Department of the Interior, Geological Survey 1966

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