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[Collection of maps--1940 census--of irrigation, by drainage basins, of western states]
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[Collection of maps--1930 census--of the minor civil divisions of the western states]
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Irrigation Map of the State of California
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Large map in five sheets. Fragile: Images are of Southern Sections only. "Base compiled chiefly from latest U. S. Land Office, War Department, Forest Service, and Geological Survey Topographic Maps. Mapping by Fred C. Scobey and Lot Bowen. Relief shading by John H. Renshawe." Prime meridian: GM. Relief: shaded. Graphic Scale: Miles. Projection: Cylindrical. Printing Process: Lithography.
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Map[s] showing ... the distribution ... of the population of the United States ... at the first-[eleventh] census, 1790-[1890]
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241095
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Map of the Klamath River Drainage Basin
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Shows transmission lines of California Oregon Power Co., Western States Gas and Electric Co., and Pacific Gas and Electric Co.; shows small hydroelectric plants; precipitation; township lines. Prime meridian: GM. Relief: contour lines. Graphic Scale: Miles, kilometers. Projection: Polyconic. Printing Process: Lithography.
299078
Map of Colorado River Drainage Basin
Visual Materials
Map of Colorado River Drainage Basin
photCL SCE 02 - 15498