"1285 Looking down from the cliffs, near the Arizona spillway, at the construction operations in and around the vicinity of the upper portals of the diversion tunnels on the Nevada side of the river. June 21st, 1932.
1284 Close-up view of portion of No. 1285, to the left. The portals, protected by their concrete coffer dams, are shown in the lower left, the mixing plant to the upper right. June 21, 1932.
1250 Looking downstream from the cliffs on the Arizona side of the river at the low level concrete mixing plant on the right, and the upper portals of the Nevada diversion tunnels in the center. June 12th, 1932.
1253 A spectacular view of the reservoir area, taken from the canyon rim on the Arizona side. Six Companies Inc. 500-man river camp shown in the foreground. June 12th, 1932."