Search for exactly "Black Canyon"

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Report and survey of reconnaissance geology between Lake Mead and Davis Dam Arizona-Nevada, 1963 Geological survey of the area between Lake Mead and Davis Dam.
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Aerial photograph taken of Black Canyon, before 1930 Aerial view of Black Canyon prior to the construction of Hoover Dam
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Aerial photograph of Black Canyon, Hemenway Wash, and Fortification Hill, before 1930 Aerial view looking north over Black Canyon, Hemenway Wash, and Fortification Hill
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Photograph of a group of people next to the Colorado River at the south end... People standing near the Colorado River in Black Canyon at the start of Hoover Dam construction
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Photograph of a man surveying the Colorado River from a boat in Black Canyon, circa... Man standing on a boat traveling south on the Colorado River through Black Canyon
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Aerial photograph of Black Canyon, Colorado River and Boulder City location before dam construction, 1920s Aerial view of Black Canyon, Colorado River, and Boulder City location before dam construction showing elevation.
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Photograph of Black Canyon and Colorado River, before 1931 Man standing on the canyon wall of Black Canyon
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Photograph of the Rockwell Family at Black Canyon, before 1938 Rockwell Family and two cars at Black Canyon.
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Photograph of the Black Canyon damsite on the Colorado River, circa 1920 Black Canyon before the construction of Hoover Dam
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Geology and water resources of Las Vegas, Pahrump, and Indian Spring Valleys, Clark and Nye... Report on the geology and groundwater of southern Nevada.
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Photograph of a congressional delegation visiting the Hoover Dam site, March 13, 1923 Congressional delegation visiting the Hoover Dam site. Photo sleeve includes information from responses to Las Vegas Review-Journal newspaper "Help Us Write History" requesting photograph identification. Identified individuals: James Scrugham (1st man on the left) was Governor of Nevada at the...
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Photograph of Cashman Ferry, before 1930 View of the Colorado River at the site of the Cashman Ferry
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Photograph of Rockwell family members at the Colorado River near the Hoover Dam construction site,... Rockwell Family members overlooking the Colorado River at the Hoover Dam Construction site.
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Map of irrigable areas near Boulder Dam, February 20, 1935 Bureau of Reclamation map of areas that were capable of sustaining irrigated agriculture within the Colorado River watershed in southern Nevada.
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Photograph of Rockwell family members on the Old River Trail above Fort Callville, 1908 Mother and Earl Rockwell hiking above the Colorado River near Fort Callville.
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Photographs of prayer dedication of the Boulder Dam site, circa 1931 Two views of the assembled guests present for the dedicatory prayer of the Hoover Dam construction site.
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Photograph of the Colorado River above Black Canyon, before 1930 Looking north up the Colorado River from Hemenway Wash.
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Book excerpt, Preliminary report to determine feasibility of diverting Colorado River, February 1, 1876 The excerpt consists of Appendix B printed in the Annual report by the Army Corps of Engineers upon the geographical surveys west of the 100th Meridian, February 18, 1905. It contains maps of the Southwest region of the United States,...
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Postcard showing a visualized Las Vegas after completion of the Hoover Dam, circa 1930 Postcard depicting an aerial view of the Las Vegas area as envisioned after the completion of Hoover Dam
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Aerial photograph of the Colorado River and Hemenway Wash, before 1935 Hemenway Wash, located at the bend of the Colorado River just upstream of Black Canyon, before the construction of Hoover dam.
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County agent project progress report, Irrigation district, November 1, 1929 Progress report with copies of relevant correspondence regarding the creation of an irrigation district in the Moapa Valley. Project Number: State Office #172, Clark County #12
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Report, Geological survey circular 346: First fourteen years of Lake Mead, circa 1949 Report on Lake Mead taken from the Lake Mead Comprehensive Survey of 1948-49
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Final report, Lake Mead monitoring program, July, 1976 Reports of water quality monitoring in Lake Mead
 

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