1. Book excerpt, Preliminary report concerning explorations and surveys principally in Nevada and Arizona, 1871
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2. Report, Final environmental impact statement, Southern Nevada Water Project, second stage, June 6, 1977
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3. Report on flood control survey in Clark County, Nevada and data on Southern Nevada, 1938
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4. Report and survey of reconnaissance geology between Lake Mead and Davis Dam Arizona-Nevada, 1963
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5. Report, Geological survey circular 346: First fourteen years of Lake Mead, circa 1949
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6. Book excerpt, Preliminary report to determine feasibility of diverting Colorado River, February 1, 1876
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7. County agent project progress report, Flood control - soil conservation and soil conservation-domestic allotment, November...
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8. Photograph of a car ferry crossing the Colorado River to the Arizona highway, circa 1926-1928
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9. Geology and water resources of Las Vegas, Pahrump, and Indian Spring Valleys, Clark and Nye...
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10. Photograph of Fort Callville from the Nevada side of the Colorado River across to the...
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11. Progress Report for J. H. Wittwer, 1940-41 program
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12. Map showing explorations and surveys south of Central Pacific R.R., 1871
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13. Photograph of the Arivada Ferry, 1916-1920
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14. Geologic map and sections of area along Colorado River between Lake Mead and Davis Dam,...
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15. Report on ground water in southeastern Nevada, March 29, 1915
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16. The Virgin River and the Virgin Valley, circa 1945
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17. Photograph of Cottonwood Aerial Ferry, 1930-1935
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18. Map of irrigable areas near Boulder Dam, February 20, 1935
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19. Geologic map and sections of Muddy Mountains, St. Thomas Gap, and part of the Grand...
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20. Map of Lake Mead quadrangle, Nevada-Arizona, 1981
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21. United States Supreme Court case documents: Nevada exhibits, Arizona v. California, May 6, 1958
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22. Photograph of a ferry on the Colorado River, before 1930
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23. Generalized hydrogeologic map of lower Moapa--Lake Mead area, Clark County, Nevada, 1965
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24. Maps of geological surveys in parts of California, Nevada, Arizona and Utah lead by Lt....
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25. Photograph of a congressional delegation visiting the Hoover Dam site, March 13, 1923
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26. Photograph of U. S. Navy deep-sea divers conducting Lake Mead sedimentation survey, circa 1948
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27. Photograph of the Colorado River from Observation Point, Boulder Canyon, April 3, 1932
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28. Postcard showing a visualized Las Vegas after completion of the Hoover Dam, circa 1930
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29. Photograph of a group of people next to the Colorado River at the south end...
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30. Aerial photograph of the Colorado River and Hemenway Wash, before 1935
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31. Photograph of a man surveying the Colorado River from a boat in Black Canyon, circa...
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32. Photograph of temporary shanty town along Colorado River, circa 1931
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33. Photograph of the Merle Emery Ferry, before 1930
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34. Photograph of the Rockwell Family at Black Canyon, before 1938
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35. Aerial photograph of Black Canyon, Hemenway Wash, and Fortification Hill, before 1930
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36. Photograph of the Merle Emery Ferry, before 1930
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37. Photograph of Hoover Dam worker beside the Colorado River, circa 1931
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38. Photograph of a ferry crossing the Colorado River, before 1930
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39. Aerial photograph of Black Canyon, Colorado River and Boulder City location before dam construction, 1920s
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40. Photograph of steamshovel working on the road to the Hoover Dam construction site, circa 1931
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41. Photograph of the Black Canyon damsite on the Colorado River, circa 1920
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42. Photographs of prayer dedication of the Boulder Dam site, circa 1931
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43. Panoramic photograph of Bonelli's Ferry on the Colorado River, before 1935
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44. Aerial photograph taken of Black Canyon, before 1930
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45. Report, A review of the limnology of and water quality standards for Lake Mead, October...
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46. Final Report, Lake Mead monitoring program, September 1977
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47. Letter from Frank Strong (Los Angeles) to G. F. Ashby, November 7, 1944
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48. Report, Land cover types of the Las Vegas Wash, Nevada, September 2007
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49. Final report, Lake Mead monitoring program, July, 1976
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50. Letter from Walter R. Bracken (Las Vegas) to W. M. Jeffers, November 10, 1944
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