Canyon Sheet.

Canyon Sheet. Geology Sheet XII. Monograph XXXII. Yellowstone National Park. U.S. Geological Survey. Charles D. Walcott, Director. 1904. Julius Bien & Co. Lith. N.Y. Henry Gannett, Chief Geographer. J.H. Renshawe, Geographer in charge. Triangulation by H.S. Chase. Topography by Frank Tweedy. Surveyed in 1884-5. Geology by Arnold Hague, Geologist in charge, Joseph Paxson Iddings, Walter Harvey Weed, and George M. Wright, Surveyed 1883 to 91, and 93.

Hague, Arnold

1904

1904

United States Geological Survey

1:125 000

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