Sluicing at a placer mine, below Hunker, Alaska, ca.1894 

Portrait of three miners standing outside an unidentified mine, 1895-1905 

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

Three miners entering a hoist elevator at a Nevada City mine, May 5, 1905 

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

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

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

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

Drawing showing gold digging and washing in Placer County, ca.1900 

Three men working at Placer mining operation near Lake Alamur, Deer Creek River, 1906 

View of the Placer mine at Big Bar, Trinity County, showing a man with mining apparatus, 1900-1910 

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

View of the Chollar mine dump in Gold Hill, Nevada, ca.1900 

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

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

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

Copper mining town, Bisbee, Arizona, ca.1900 

Lithograph from Norton's "Story of California" showing California miners at work, ca.1913 

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

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