Workers in a 100-stamp mill, California, ca.1900 

Interior of a stamp mill, Los Angeles(?), ca.1900 

Drennen's Mill -- stamp mill and concentrator -- on the Colorado River, 1900-1950 

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

A miner's cabin built from bottles, Goldfield, Nevada, ca.1900-1930 

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

Drennen's cabin, near his stamp mill and concentrator, on the Colorado River, 1900-1950 

Interior view of a mine (named Bagdad Mine?) belonging to the Rochester Gold Mining Co., Ludlow, California, ca.1900 

Exterior view of the old Bell Flour Mill at Fort Independence, ca.1900 

Three miners, wearing prospector outfits, standing next to a burro cart loaded with camp supplies, Goldfield, Nevada, ca.1900-1905 

Panoramic view of the mining town of Randsburg, in the winter, ca.1900 

Painting entitled "Sunday Morning in the Mines", California, ca.1900 

Amalgamator at a mine on the Colorado River, California, ca.1900 

Three pack burros used in mining, California, ca.1900 

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

Concentrator mill at a mine on the Colorado River, California, ca.1900 

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

View of what appears to be a mining community, ca.1900 

Three miners, "rockers", at placer mine, French Hill, Alaska, ca.1860-1900 

Mule team and loaded ore wagons at stamp mill in desert, ca.1890-1892