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Placer mining (ˈplæsər) [ 1 ] is the mining of stream bed deposits for minerals. [ 2 ] This may be done by open-pit mining or by various surface excavating equipment or tunneling equipment. Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits ...
Contents. Four Georgians. The Four Georgians were a group of gold prospectors who are traditionally credited for discovering the Last Chance placer gold strike of Helena, Montana. They were John Cowan, D. J. Miller, John Crab, and Reginald (Robert) Stanley. Of the four, the only actual Georgian was Cowan, who hailed from Acworth, Georgia. [ 1 ]
Major amendments. Amendments. The General Mining Act of 1872 is a United States federal law that authorizes and governs prospecting and mining for economic minerals, such as gold, platinum, and silver, on federal public lands. This law, approved on May 10, 1872, codified the informal system of acquiring and protecting mining claims on public ...
Jan. 21—A sign above Montana History teacher Kris Schreiner's classroom alerts Kalispell Middle School eighth graders that they are entering Alder Gulch to mine for gold and garnets. Alder Gulch ...
The Combination Shaft, located near Virginia City, began in 1875 when the mine owners combined their efforts to sink a shaft to explore the Comstock Lode at a greater depth. The Combination was the deepest shaft ever sunk on the Comstock, reaching a depth of 3,250 feet (990 m). It was used until 1886.
The Black Hills gold rush took place in Dakota Territory in the United States. It began in 1874 following the Custer Expedition and reached a peak in 1876–77. Rumors and poorly documented reports of gold in the Black Hills go back to the early 19th century. In the 1860s, Roman Catholic missionary Father De Smet is reported to have seen Sioux ...
Hydraulic gold mining in Alder Gulch, 1871. Photo by William Henry Jackson. Placer mining in Alder Gulch, 1872. Alder Gulch (alternatively called Alder Creek) is a place in the Ruby River valley, in the U.S. state of Montana, where gold was discovered on May 26, 1863, by William Fairweather and a group of men including Barney Hughes, Thomas Cover, Henry Rodgers, Henry Edgar and Bill Sweeney ...
When gold was discovered at Yogo Creek, Ringold sold her boarding house in Fort Benton and left for the Yogo gold fields, setting up a hotel, restaurant, and saloon in Yogo City where she sang and played music. [52] Ringold later cooked for the English mine, but also worked her own gold claims, even after gold mining was on the decline. [53]