Scale [ca. 1:240]. 1 in. to 20 feet. -- Scale [ca. 1:2,400]. 1 in. to 200 ft. Vertical scale [ca. 1:48]. 1 in. to 4 feet. -- Scale [ca. 1:4,800]. 1 in. to 100 feet ; 1 map : col. ; 40 x 78 cm ; "Scale as noted." ; "Exhibit 'A'." ; "Approved Sept. 21, 1916." ; "Div.Engr."--Lower right corner ; "W.E.J."--Lower left corner ; "L-44-50to61. T-75-17&46."--Upper left corner ; Includes discharge figures and plans for improvements to springs ; Library's copy has "Proposed layout" written on it in pencil ; Contents: Detail at springs -- Profile -- Alignment ;

'Mapped, edited and published by the Geological Survey in cooperation with the Atomic Enegry Commission. Control by USGS, USC&GS, USCE, and Atomic Energy Commission. Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1959. Field check 1961.' Scale 1:24,000 polyconic projection (W 116°07'30"--W 116°00'00"/N 36°52'30"--N 36°45'00"). Series: 7.5 minute series (topographic). Relief shown by contours and spot heights. Contour interval 20 feet. Includes quadrangle location map. Interior--Geological Survey
For sale by the U.S. Geological Survey

An image of cement plant works for transporting gravel and water at the Hoover (Boulder) Dam construction site.

Description given with film transparency: "Unloading I.H. TD 30 at Tule Springs Site, Nevada."

An unidentified person washing dishes inside the "cook shack" at Tule Springs work/camp site.

An exterior view of the "cook shack" at Tule Springs camp site. A dog is standing near the door.