Rare Books
Arizona Colorado River Irrigation Projects / Investigated by the Arizona Engineering Commission
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Engineers official map of the state of California : showing principally automobile highways, important roads, railroads and electric lines, cities, towns and county seats, rivers and creeks, forest and Indian reservations, mountain ranges, agricultural and irrigated areas, township lines, etc. / compiled and engraved by William M Humans ; approved by Olmstead and Gillelen Consulting Engineers
Rare Books
For a later edition, see RB 477789. Los Angeles population 520,000. Pasadena 38,560. Santa Ana 9,825. Prime meridian: GM. Relief: shaded. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography.
477780
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Report for Arizona Engineering Commission on Reconnaissance Investigation of Arizona Land Irrigable from the Colorado River
Manuscripts
The collection consists of letters and documents (including 8 volumes) and 876 maps related to irrigation projects in the western United States. There are correspondence, reports, etc. regarding Colorado River projects (including the Colorado River-Los Angeles Gravity Flow Aqueduct); the Klamath Lake Project in Oregon; the Merced Irrigation District in California; the San Juan River, Little Colorado, and Verde projects in Arizona; and many others. Of note in the collection are diaries of La Rue's Colorado River trips from 1921, 1922, and 1924, and maps of western areas.
mssLa Rue papers
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Official Map of Trinity County California : Compiled from government and local surveys / By H.L. Lowden, Civil Engineer and Jno. F. Johnson, Topographical Engineer
Rare Books
Includes a list of mining claims, their sizes and owners. Names Areas & Owners of the Principal Mines in Trinity County. Prime meridian: GM. Relief: shaded. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography.
297457
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Map of California / Issued by California-Paris Exposition Commission of 1900
Rare Books
A submap lists forest resources and is the reason for making this map. Explanations are printed in English, French and German. Submap: Forestry Districts. Prime meridian: Gm. Relief: shaded. Projection: Cylindrical. Printing Process: Lithography. Verso Text: MS note: 296799.
296799
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Map showing lands susceptible of irrigation from Colorado River between Bull's Head Rock and Cibola Valley
Rare Books
Map drawn before Parker Dam and canals were built. Prime meridian: GM. Relief: no. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography.
299052
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Map of the Colorado River Water Shed / Prepared by E. C. LaRue, Hydraulic Engineer, U.S.G.S
Rare Books
Salton Sea exists but Hoover Dam does not. "C. W. Bennett del." Prime meridian: GM. Relief: no. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography. Verso Text: Ms note: 299031.
299031