1. Panoramic photograph of Fortification Hill across the Colorado River, circa 1924
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2. Panoramic photograph of Fort Callville on the Colorado River, before 1935
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3. Aerial photograph of the Colorado River and Hemenway Wash, before 1935
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4. Photograph of a car ferry crossing the Colorado River to the Arizona highway, circa 1926-1928
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5. Photograph of a ferry crossing the Colorado River, before 1930
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6. Photograph of a ferry on the Colorado River, before 1930
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7. Photograph of water pump in Colorado River used for upper concrete batch plant, circa 1931
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8. Photograph of Fortification Hill and the Colorado River, Clark County, before 1931
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9. Photograph of the Colorado River above Black Canyon, before 1930
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10. Photograph looking west over the Colorado River and Hemenway Wash from Fortification Hill, before 1931
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11. Aerial photograph of the Colorado River, Hemenway Wash, and the site of Boulder City, before...
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12. Photograph of Hoover Dam worker beside the Colorado River, circa 1931
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13. Photograph of Cashman Ferry, before 1930
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14. Aerial photograph of Black Canyon, Colorado River and Boulder City location before dam construction, 1920s
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15. Photograph of the Merle Emery Ferry, before 1930
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16. Photograph of the Merle Emery Ferry, before 1930
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17. Photograph of Cottonwood Landing on the Colorado River, 1946
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18. Photograph of Hemenway Wash and Colorado River from Highway 93, Clark County, circa 1929
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19. Photograph of Rockwell family members at the Colorado River near the Hoover Dam construction site,...
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20. Photograph of Fort Callville from the Nevada side of the Colorado River across to the...
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21. Photograph of the Colorado River from Observation Point, Boulder Canyon, April 3, 1932
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22. Photograph of temporary shanty town along Colorado River, circa 1931
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23. Photograph of Hemenway Wash, Nevada and Colorado River, circa 1932
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24. Postcard showing Old Fort Callville near Las Vegas, before 1938
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25. Photograph of steamshovel working on the road to the Hoover Dam construction site, circa 1931
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26. Photograph of the Black Canyon damsite on the Colorado River, circa 1920
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27. Aerial photograph of the Colorado River between Fortification Hill and Hemenway Wash, before 1930
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28. Photograph of Black Canyon and Colorado River, before 1931
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29. Photographic postcard of Hemenway Wash, Nevada and Colorado River, 1932
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30. Photograph of flood damage recovery work on Nelson's Landing, September 1974
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31. Photograph of a Union Pacific tour-bus on Highway 93, Nevada, circa 1933
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32. Photograph of the Arivada Ferry, 1916-1920
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33. Photograph of a congressional delegation visiting the Hoover Dam site, March 13, 1923
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34. Photograph of Boulder Canyon, circa 1920
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35. Aerial photograph of smoke from flood cleanup operations at Nelson's Landing, September 1974
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36. Photograph of Rockwell family members on the Old River Trail above Fort Callville, 1908
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37. Aerial photograph of Black Canyon, Hemenway Wash, and Fortification Hill, before 1930
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38. Photograph of Cottonwood Aerial Ferry, 1930-1935
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39. Photograph of clean-up operations at Nelson's Landing, September 16, 1974
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40. Photograph of scuba operations at Nelson's Landing, September 15, 1974
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41. Aerial photograph of flood path, Eldorado Canyon to Nelson's Landing, September 14, 1974
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42. Aerial photograph of the flood path down Eldorado Canyon to Nelson's Landing, circa September, 1974
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43. Aerial photograph taken of Black Canyon, before 1930
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