Two mine properties in Bisbee. Note the two headframes, the first to the back left of the image and the second on the front right. Also note the timber and ladders on the ground in the image. This image is identical to 1981.187.24, it is just cropped slightly different.
Mine Mining Headframe Timber Ladders Cactus Bisbee
Zans, Bob
1916-1919
1981.187.23