117.1 Photo of an airplane. Unidentified owner or company. ; 117.2 Unidentified airplane in the sky. ; 117.3 Jazz's mother standing at Colorado River before dam was built. ; 117.4 Governor Balzar, Carl Gray, Secretary Wilbur Senator Pittman at Boulder Junction, 9-17-30. ; 117.5 Postcard of Chamber of Commerce billboard: "This is Las Vegas, Nevada, Gateway to Boulder Dam". Snow on ground. ; 117.6 Photo of clouds.
Pg.31 #2666 Looking upstream in Black Canyon, showing the downstream face of Boulder Dam. April 30th, 1934. Pg.31 #2659 View showing installation of 100-ft. Drum Gates in the Arizona spillway. April 28th, 1934. Pg.31 #2664 Looking upstream in No. 5 Penstock tunnel, showing penstock outlets, manways and pedestal recesses. April 28th, 1934.
Pg.47 #2860 Looking downstream into the Arizona Spillway. Sept. 27th, 1934. Pg.47 #2861 Looking downstream into the port of No.4 raise. Sept. 27, 1934. Pg.47 #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. Sept. 27th, 1934.