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An uncut/rough yellow sapphire found at the Spokane Sapphire Mine near Helena, Montana "Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. [18] More gem-quality sapphires are produced in Montana than anywhere else in North America. [18]
The most lucrative vein was in the Liverpool Mine, which produced over a million dollars worth of silver ore during its height of production. [3] A map of the Lump Gulch Mining District is located in the Montana Historical Society collection. [2] In 2020, the Lump Gulch Fire started in the Lump Gulch area. The result of a downed power line ...
Mining museums in Montana (1 P) Pages in category "Mining in Montana" The following 15 pages are in this category, out of 15 total. This list may not reflect recent ...
The mining towns of Barker, Galena Creek, and Hughesville soon sprang up in the area. [ 18 ] [ 19 ] Among the many small mining camps which were erected was Jericho, which soon went bust. [ 20 ] In July 1881, three prospectors from Barker—James LeRoy Neihart, John O'Brien, and Richard Harley [ 3 ] —discovered silver near the present-day ...
Pages in category "Mining communities in Montana" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. B.
FILE - The Stillwater Mining Company, the only platinum and palladium mine in the United States, is seen near Nye, Mont., May 2, 2013. (AP Photo/Matthew Brown, File) (ASSOCIATED PRESS)
Initial exploration of the region occurred in the 1860s with extensive workings developed at the Homestake and Little Daisy Mines between 1904 and 1925. The Homestake mine stopped only a few hundred feet from a high-grade ore body later discovered by Crown Butte Mines (a subsidiary of Hemlo Gold, a Canadian mining company) in 1989-1990 as a result of an intensive drilling campaign.
Mar. 19—Flathead Valley landowners and neighborhood advocates are among those opposing a bill in the Montana Senate that would ease regulations on open-pit gravel mining. House Bill 599 ...