"1355 Workmen loading out for the canyon on the day shift in front of Six Companies Inc. mess hall. Dormitory shown in the background. July 20th, 1932.
1356 Transport trucks holding 48 men used for hauling workman to and from the canyon lined up after breakfast for the day shift. July 20th, 1932.
1302 Loking downstream from the canyon rim at the night activities in the vicinity of the lower portals of the diversion tunnels. June 29th, 1932."