Print, Photographic

Black and white photographic print mounted on fabric depicting a man holding a drill at the sillimanite mining operations of the Champion Spark Plug Co. in the Inyo Mountains of Mono County, California.
Caption reads: View #23
A miner and his air drill in the face of a drift. The holes are drilled to a depth of four or five feet at suitable intervals and loaded with heavy charges of dynamite, fifteen to twenty shots generally constitute a round, which is fired at the end of the shift.