The Sacramento Pit in 1918. Steam shovels are visible at the bottom of the open pit mine. Also a drift may be visible in the center of the image. It is possible this is an underground mine that was exposed during the development of the open pit
Mining Sacramento Pit Open pit Drift Underground mine Steam shovel 1918 Mines
Lanyon, Mildred
1918
Bisbee, Arizona
2013.16.9