Ball mill at the Bradley Mine mill at Stibnite in Valley County, Idaho circa 1940. This photo gives a close up view of the ball mills which are used to crush ore. The opening and trough where crushed ore exits the mill is clearly shown in the...
Business correspondence of the Belshazzar Mine near Quartzburg, Idaho, owned by the Idawa Gold Mining Company of Valley City, North Dakota. Included are correspondence (1924-1925, 1929-1932); reports of operations (1924-1926); reports, memorandums...
Mine and mill buildings and a number of waste dumps at the Black Jack Mine on Florida Mountain in Owyhee County near Silver City, Idaho circa 1900. Note the snowshed covering the tracks leading from the mine to the mill in the middle of the photo.
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.
Bradley Mining Company's open pit mine at Stibnite in Valley County, Idaho April 24, 1949. Photo shows a drill, a shovel and trucks on the benches in the mine near the center of the photo. Note power poles in right foreground.
Conveyors and mill buildings in the "Glory Hole" at Bradley Mining Company's Stibnite mine in Valley County, Idaho. Photo was taken April 24, 1949. The mine and town of Stibnite are named after the antimony sulfide ore "Stibnite".
Rear view of mill at Bradley Mining Company's Stibnite Mine in Valley County, Idaho circa 1940. This view shows the mill in its mountain setting. Many wooden buildings and sheds are visable on the mountainside and around the mill yard.