Al Hirales standing in front of a large stalagmite in the Higgins Cave, circa late 1970s. The Higgins Cave is a solution cave, meaning it is formed by liquids. The cave is located in the Southwest Mine.
Higgins Cave 1970s Southwest Mine Al Hirales Stalagmite Formation Hard hat Mine light Mines Mining Miner Underground Bisbee
Hirales, Al
1975-1980
Al Hirales
Bisbee, Arizona
2010.8.12