Archival objects in this container: Personnel of the Six Companies Hospital, 1933 One of the medical personnel at the Six Companies Hospital, 1933 Six Companies Hospital, 1933 Construction, 1934 January Construction: diversion tunnel entrances, 1934 January Side wall of Hoover Dam, 1934 January Bureau of Reclamation building, Boulder City, 1934 January Pipe used in construction of the Hoover Dam, 1934 January Cable power station at Hoover Dam, 1934 January Babcock & Wilcox Co. Plant, 1934 January Upstream of canyon walls, 1934 January Construction, 1934 January Construction, 1934 January Bridge spanning canyon during construction, 1934 January Construction, 1934 January Power plants at Hoover Dam, 1934 January Hills near Hoover Dam, 1934 January Sections of Hoover Dam, 1934 January Hoover Dam from the lookout, 1934 January Hoover Dam looking upstream, 1934 January Construction inside tunnel, 1934 January Hoover Dam from the lookout, 1934 January Construction, 1934 January