1924. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1903 and 1923."; "State of Colorado, William E. Sweet, Governor ..." on sheet 59 x 84 cent... The Survey (Washington, D.C).
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1924. Geological Survey (U.S.). Relief shown by contours and spot heights.; Index map on each sheet. each sheet 54 x 69 centimeters or smaller Scale 1:31,680 General Map Collection. The Survey (Washington, D.C).
1924. Geological Survey (U.S.). Relief shown by contours and spot heights.; Depths shown by form lines.; Includes location map: The Hawaiian Islands.; "A.O. Burkland, Topographic ... The Survey (Washington, D.C).