Hoover Dam, April 1935. Rising water in the new lake had not yet reached the base of the dam’s intake towers.
Two captions have been found for this photo:
“They’re Helldoradoing at Boulder - Motor boating on Boulder Lake furnished by Jim Cashman, local Buick dealer and boat operator, some new thrills when he invited a number of his Los Angeles and local friends for a ride. (Union Pacific Photo)” - Review Journal, 4/24/35.
“Something New In Sports at Boulder Lake - Donna Stafford and Eunice Beckley inaugurate aquaplaning on Boulder Lake as Jim Cashman follows them in a motor launch along the lake, which is now more than 50 miles long.” - Acme wirephoto
Nevada State Museum, Las Vegas. Ref: 0006:2019. “Boulder Lake Reaches Base of Intake Towers.” Las Vegas Review-Journal, 6/24/35.