Las Vegas, NV Rock Slide, Feb 1933
Rock Slide Kills Worker
LAS VEGAS, Nev., Feb. 8--One worker was killed instantly and another injured yesterday when a 100-ton mass of rock slipped down the steep slides of Black Conyon[sic] at Boulder Dam site. The dead man was M. M. Kaighn, 38.
The Pittsburgh Press, Pittsburgh, PA 8 Feb 1933