Butte Montana 19391942 Copper mining and copper mining
2 days ago Jackpot Mining Company operates a copper mine in central Montana. The company paid 1,700,000 in 2021 for the mining site and spent an additional 740,000 to prepare the mine for extraction of the copper. After the copper is extracted in approximately four years, the company is required to restore the land to its original condition, including ....1930 A History of Copper Mining in Montana, Chicago American History Publishing Company. Sahinen, Uuno M. 1935 Mining Districts of Montana , Thesis, Montana School of Mines, Butte. Sanborn Insurance Maps of Butte, MT 1881-1891 Shea, William P. 1940 Zinc Ore Reserves of the World , Engineering and Mining Journal. Vol. 141, No. 9, pp. 42-43.