Two men hand sorting ore at the Blue Jacket Mine in the Seven Devils Mining District in Adams County. around 1900. Miners sorted ore prior to sending it to a mill for processing. This ensured only the higher grade material was milled.
Mines and mineral resources-Idaho-Lemhi County-History-Sources. --Mining corporations-Idaho-Lemhi County-Records.
Superintendent's report of boarding houses at mines and mills, costs of production, number of employees, costs of employees, payroll information, mining plats, mineral surveys, and maps.
Boarding house for miners at the Yellow Jacket Mine. Photo shows the bunkhouse and eight outbuildings situated on the side of a hill. Building materials include logs, boards, shingles, and tin.
