"2860 Looking downstream into the Arizona Spillway. September 27th, 1934
2861 Looking downstream into the portal of No. 4 Raise. September 27th, 1934
2865 Looking from the Arizona side, toward the Nevada side, showing all four Intake Towers, three derricks, Boulder Dam to the left, and the Nevada Spillway to the right. September 27th, 1934."