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Four men at the base of a headframe at the Goldfield mine.
Three people standing by the remains of the Rio Vista mill.
Ken Phillips from the Arizona Department of Mines & Mineral Resources standing beside a ventilating fan.
Population Model for Melanoplus sanguinipes (Orthoptera: Acrididae) and an Analysis of Grasshopper Population Fluctuations in Colorado
Factors Affecting Birth Rates among White Women 20-24 Years of Age: A Trend Analysis (January 1972-March 1992)
Impacts of bleaching on the soft coral Lobophytum compactum. II. Biochemical changes in adults and their eggs
The Arizona Mine Emergency Board of Directors at the Gold Road mine.
View of a headframe, winch, and a miner.
An underground miner using a drill that has been outlined.
Jan Rasmussen, fomrer Curator of the Arizona Mining and Mineral Museu, and two others stand at a viewing area of the Bagdad pit
A man at work dismantling the stamp mill at the Swallow mine. It was later reassembled at the Arizona Mining and Mineral Museum.
Underground mining loader with operator at mine dumps.
A man working a front loader near the Pero Bonita mine, with two men and a vehicle on the road on the left and mine dumps on the right.
Starting a drill rig at Sweetwater, Texas.
Miners gathering samples at the Bullard mine.
Two miners working on a truck-mounted Joy Model 75 drill at the Mission mine.