Big Horn Mine
Sheridan County, United States
The Big Horn Mine is a defunct gold mine located at the headwaters of the east fork of the San Gabriel River off Highway 2 at Vincent's Gap in the Angeles National Forest in Southern California, U.S. It was once touted as the “granddaddy” of the San Gabriel Canyon mines.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).