4689910
9781418127886
under the direction of A. A. Humphreys by Clarence King.United States. Geological Exploration of the Fortieth Parallel. is the author of 'Report of the Geological Exploration of the Fortieth Parallel (Made by order of the Secretary of War according to acts of Congress of March 2, 1867, and March 3, 1869) ' with ISBN 9781418127886 and ISBN 1418127884.
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