Workers on the Job

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  • Six Companies constructing the masonry wall that will cross the crest of the Hoover Dam, 09/09/1931.

    Masonry retaining wall, on the upper loop of the highway under construction by Six Companies, Inc., which will cross the crest of the dam. 09/09/1931

    31-al19-79
  • Boats used for transporting men, powder and supplies up and down the canyon. 01/19/1932

    Several boats are used for transporting men, powder and supplies up and down the canyon. 01/19/1932

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  • First aid station and ambulance located above the portals at dam site. 03/08/1932

    First-aid station and ambulance located at the river camp above the portals. A similar hospital is maintained at the lower portals. 03/08/1932

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  • Workers at dam site carrying desert water bags.07/14/1932

    Workers at isolated points away from drinking fountains are supplied by desert water bags. The picture shows a crew of "' water boys" at the Arizona spillway. 07/14/19...Show more

    Workers at isolated points away from drinking fountains are supplied by desert water bags. The picture shows a crew of "' water boys" at the Arizona spillway. 07/14/1932

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    31-al20-10
  • Workers called "powder monkeys" load dynamite cartridges with electric primers at isolated points. 08/15/1932

    Workers, referred to as "powder monkeys" load dynamite cartridges with electric primers at isolated points. 08/15/1932

    31-al20-39
  • High scalers, 1000 feet above the river secure anchorages for which workman will be suspended by ropes when scaling the canyon walls. 08/22/1932

    High scalers perched on a bench 1,000 feet above the river prepare anchorages from which workmen will be suspended by ropes in scaling the canyon walls for the penstoc...Show more

    High scalers perched on a bench 1,000 feet above the river prepare anchorages from which workmen will be suspended by ropes in scaling the canyon walls for the penstock tunnel adits. 08/22/1932

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    31-al20-51
  • Highscalers crew stripping canyon wall. 08/31/1932

    Crew of highscalers stripping Canyon Wall. 08/31/1932

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  • High scaling activities in connection with the excavation on the Nevada abutment to the Hoover Dam. 01/27/1933

    High scaling activities, in connecton with the excavation on the Nevada abutment to Hoover Dam. 01/27/1032

    31-al21-06
  • Excavating in the prehistoric bed of the Colorado River. 04/30/1933

    Excavating in the prehistoric bed of the Colorado River. 04/30/1933

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  • The second millionth yard of concrete being poured at the Hoover Dam. 06/02/1934

    The second millionth yard of concrete being placed in Boulder Dam. 06/02/1934

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  • The run-around, excavated in the old top heading adit, to facilitate handling concrete for No. 4 Plug. 03/04/1935

    The run-around, excavated in the old top heading adit, to facilitate handling concrete  for No. 4 Plug. 03/04/1935

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  • Top of Boulder Dam, looking toward Nevada, showing final pour, practically completing the concrete for the dam..05/29/1935

    On crest of Boulder Dam, looking towards the Nevada side, showing final pour in the slot, which practically completes the concrete in Boulder Dam. 05/29/1935

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  • Workers celebrate Memorial Day, commemorating the men who gave their lives in the construction of Boulder Dam. 05/30/1935

    View from the Nevada utility tower of Boulder Dam, showing the Memorial Day exercises in connection with the unveiling of the plaque commemorating the men who gave the...Show more

    View from the Nevada utility tower of Boulder Dam, showing the Memorial Day exercises in connection with the unveiling of the plaque commemorating the men who gave their lives in the construction of Boulder Dam. 05/30/1935

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    31-al21-250
    Six Companies constructing the masonry wall that will cross the crest of the Hoover Dam, 09/09/1931.
    Boats used for transporting men, powder and supplies up and down the canyon. 01/19/1932
    First aid station and ambulance located above the portals at dam site. 03/08/1932
    Workers at dam site carrying desert water bags.07/14/1932
    Workers called "powder monkeys" load dynamite cartridges with electric primers at isolated points. 08/15/1932
    High scalers, 1000 feet above the river secure anchorages for which workman will be suspended by ropes when scaling the canyon walls. 08/22/1932
    Highscalers crew stripping canyon wall. 08/31/1932
    High scaling activities in connection with the excavation on the Nevada abutment to the Hoover Dam. 01/27/1933
    Excavating in the prehistoric bed of the Colorado River. 04/30/1933
    The second millionth yard of concrete being poured at the Hoover Dam. 06/02/1934
    The run-around, excavated in the old top heading adit, to facilitate handling concrete for No. 4 Plug. 03/04/1935
    Top of Boulder Dam, looking toward Nevada, showing final pour, practically completing the concrete for the dam..05/29/1935
    Workers celebrate Memorial Day, commemorating the men who gave their lives in the construction of Boulder Dam. 05/30/1935