Captions: Carl at Caulville [sic]; Sandstone - Las Vegas Wash '30; Windlass at [Mt.] Charleston - '31; Carl at Caulville [sic]; Mt. Charleston '31; Near [Mt.] Charleston - '31; Carl by cabin at [Mt.] Charleston.
Captions: Catwalk across Colorado River; Auto ferry on Colorado [River] '32/Las Vegas - Kingman Ferry, Colorado River, Oakes #81; Upper entrance to diversion tunnel - Boulder Dam '32.
Captions: View showing a section of sheet piling in the upper cofferdam; Diversion tunnel #4 - a hole 50 ft. in dia. surrounded by 3 ft. of concrete - Hoover Dam, Oakes 229; Reclamation truck.
Captions: Trucking mammoth concrete buckets in the 50 ft. dia. tunnels at Hoover Dam, Oakes 228; The Grand Canyon bridge, Arizona [postcard]; Catwalk across Colorado [River]; Colorado [River] from lookout point;