1991.064.456
Print, Photographic
Black and white photographic print mounted on fabric depicting drilling equipment at the sillimanite mining operations of the Champion Spark Plug Co. in the Inyo Mountains of Mono County, California.
Caption reads: View #22
Oil forge in the center, drills are brought up to a white heat, then formed and shaped in the power sharpener at the right. A good operator and helper can sharpen 120 drills per hour with this powerful modern machine.
