Search for exactly "Colorado River"

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1 Object thumbnail
Topographic map of the Boulder Canyon Reservoir site, 1930 Scale [ca. 1:144,000. 1 in. to approx. 12,000 ft.] ; 1 map : col. ; 51 x 91 cm ; Relief shown by contours and spot heights ; "Map no. 23800" ; Includes township and range grid ; Includes two...
2 Object thumbnail
Map and operational diagram, lower Colorado River, Lees Ferry to Gulf of California, June 1973 84 x 43 cm. "Map no. 423-300-59." Insets: [Salton Sea]--Operational diagram, no scale. Includes index to gaging stations. Shows dams, canals, levees, pumping plants, etc. "Map compiled from Coast and Geodetic Survey sectional aeronautical charts, and Bureau of Reclamation data."
3 Object thumbnail
Map based on reconnaissance of the Zuñi, Little Colorado and Colorado Rivers in 1851 by... Transcribed from the original: 'Made in 1851 under the direction of Col J.J. Abert, Chief of Corps Topographical Engineers, by BVT. Capt. L. Sitgreaves, T.E., assisted by Lieut. J.G. Parke, T.E., and Mr. M.H. Kern. Drawn by R.H. Kern, 1852.'...
4 Object thumbnail
Map of Colorado River Basin, 1928 52 x 46 cm. "Map no. 23000." Shows reservoir sites, irrigated areas, power plants, power sites, dam sites, national parks or monuments, and diversion from basin. Colorado River Basin/Department of the Interior, Bureau of Reclamation; John H. Pellen, chief draftsman.
5 Object thumbnail
Map and operational diagram, lower Colorado River, Lees Ferry to Gulf of California, May 1957 83 x 43 cm. "Drawing no. 423-300-59." "May 1957." "Supercedes 423-306-183." "Map compiled from Coast and Geodetic Survey sectional aeronautical charts, and Bureau of Reclamation data." Includes index to gaging stations. Shows dams, canals, levees, pumping plants, etc. Insets: [Salton...
6 Object thumbnail
Map showing automobile routes to Hoover Dam and vicinity, circa 1934 'Prepared by the Automobile Club of Southern California.' 'burke' in lower right corner. '1352' in circle in lower left corner. Relief shown by hachures and spot heights. Shows mines, ranches, and springs.
7 Object thumbnail
Map of irrigable areas near Boulder Dam, February 20, 1935 'Drawn by C.G.C.' 'Carson City, Nevada, Feb. 20, 1935. No. 4.' 'Adapted from Bureau of Reclamation's General map of irrigable areas.'
8 Object thumbnail
Map of Lincoln County, Nevada and Mohave County, Arizona area, 1892 'Henry Gannett, chief geographer ; A.H. Thompson, geographer in charge ; triangulation by H.M. Wilson ; topography by H.M. Wilson and Powell survey.' 'Edition of Mar. 1892, reprinted 1929.' Handwritten legend on right-side margin of map.
9 Object thumbnail
Geologic map and sections of area along Colorado River between Lake Mead and Davis Dam,... At top of map: 'United States, Department of Interior, Geological Survey. Professional Paper 374-E, plate 1.' In lower right corner of map: 'Geology mapped by C.R. Longwell.' Relief shown by contours. Includes seven colored cross-sections.
10 Object thumbnail
Map of plan and profile of Colorado River from Lees Ferry, Arizona to Black Canyon,... 1 map in 21 sheets (14 plans, 7 profiles): col. ; 46 x 64 cm. Notes Relief shown by contours. Each sheet includes a key map. Surveys for individual sheets conducted 1919-23. Library has: Sheets I (2 copies), J, K,...
 

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