Miners relaxing in a mine shaft, [s.d.] 

Miner navigating rocks, [s.d.] 

Man in miner's clothes huddled against rocks, [s.d.] 

Woman sitting in what appears to be a mine shaft, [s.d.] 

Four miners posing, surrounded by rock, [s.d.] 

"Drift" connecting two New Cornella Copper Company shafts six-hundred feet underground, Ajo, Arizona, [s.d.] 

Rochester mines adjoining Bagdad mines in the Mojave Desert, [s.d.] 

Portrait of miners in the 2,200 level of the Empire Mine, Grass Valley, prior to 1906 

Man with prospecting tools, [s.d.] 

View of four miners working in an unidentified location in California, ca.1900 

A group of miners (forming a mine shift) pose in front of mine headframe (shaft), Goldfield, Nevada, ca.1905 

View of a mining site in Yellow Astor, Randsburg, [s.d.] 

Miner's pack animals in front of mining supply stores, Goldfield, Nevada, ca.1900 

Interior view of mine and miners in the Mohawk Mine, Goldfield, Nevada, ca.1900-1905 

A miner using hydraulic mining techniques and tools to mine, Nevada City, California, ca.1900-1930 

Miners lounging around sacks of ore from the Red Top mine, Goldfield, Nevada, ca.1900 

Four men at the Bucket & Windlass, a prospecting shaft, Hard Cash Mine, Randsburg, ca.1900 

Old mill used by miners at the Ten Stamps Mine, ca.1900 

Miners about to descend into the Empire Gold Mine, Grass Valley, California, ca.1900-1930 

Man inspecting the head of a shovel, [s.d.]