Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
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Collection Number: PH-00071 Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada Box/Folder: Folder 05 (Restrictions apply)
'G. F. Becker, geologist-in-charge. Julius Bien & Co. lith. Mapping and geology by J. S. Curtis.' 'U.S. Geological Survey. Annual report 1883, pl. XXXIII.' Published by U.S. Geological Survey. Scale [ca. 1:2,400] 1 in.=200 feet. Library's copy has "Nev." printed in pencil in upper right corner.