William Henry Jackson, a member of the Hayden Survey, photographed the miners working the North Star and Mountaineer lodes at their camp on King Solomon Mountain, above Cunningham Gulch in San Juan County, Colorado, in 1862. Courtesy USGS
William Henry Jackson, a member of the Hayden Survey, photographed the miners working the North Star and Mountaineer lodes at their camp on King Solomon Mountain, above Cunningham Gulch in San Juan County, Colorado, in 1862. Courtesy USGS