From left to right: Baker Olmstead, (?) Sanchez, Bob Bullard, and Steve Knipp standing in front of flowstone and stalactites inside of the Higgins Cave, circa late 1970s. The Higgins Cave is a solution cave, meaning it was formed by liquids. The Cave is located in the Southwest Mine.

Higgins Cave Bisbee Stalactites 1970s Stalagmite Formation Hard hat Mine light Flowstone Southwest Mine Crystal cave Underground Baker Olmstead Steve Knipp Bob Bullard Miners

Hirales, Al

1975-1980

Sanchez Baker Olmstead Steve Knipp Bob Bullard

Bisbee, Arizona

2010.8.5