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  2. Yogo sapphire - Wikipedia

    en.wikipedia.org/wiki/Yogo_sapphire

    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 ...

  3. Sapphire Mountains - Wikipedia

    en.wikipedia.org/wiki/Sapphire_Mountains

    The Sapphire Mountains are a range of mountains located in southwestern Montana in the northwestern United States. From a point near the Clark Fork River and the city of Missoula, they run in a southerly direction for a distance of approximately 60 miles (100 km), making up much of the border between Ravalli County (to the west) and Granite ...

  4. Little Belt Mountains - Wikipedia

    en.wikipedia.org/wiki/Little_Belt_Mountains

    Showdown is a ski area located within the mountains located off US Highway 89 which splits the mountains in half connecting White Sulphur Springs and Belt, MT. The highest point in the Little Belt Range is Big Baldy Mountain at 9,467 feet (2,886 m). The Little Belts have been mined for silver since the 1880s, and for sapphire since 1896. [1]

  5. Philipsburg, Montana - Wikipedia

    en.wikipedia.org/wiki/Philipsburg,_Montana

    Philipsburg, Montana. Philipsburg is a town in and the county seat of Granite County, Montana, United States. [3] The population was 841 at the 2020 census. [4] The town was named after the famous mining engineer Philip Deidesheimer, who designed and supervised the construction of the ore smelter around which the town originally formed. [5]

  6. Sapphire - Wikipedia

    en.wikipedia.org/wiki/Sapphire

    An uncut, rough yellow sapphire found at the Spokane Sapphire Mine near Helena, Montana. Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, it occurs in other colors, including gray and black, and also can be colorless.

  7. Anaconda Copper - Wikipedia

    en.wikipedia.org/wiki/Anaconda_Copper

    Anaconda Copper Mining Company. The Anaconda Copper Mining Company, known as the Amalgamated Copper Company from 1899 to 1915, [1] was an American mining company headquartered in Butte, Montana. It was one of the largest trusts of the early 20th century and one of the largest mining companies in the world for much of the 20th century.

  8. Rock Creek (Montana) - Wikipedia

    en.wikipedia.org/wiki/Rock_Creek_(Montana)

    Columbia River. Rock Creek is a 52-mile (84 km) river in Missoula and Granite County, Montana. Rock Creek is a tributary of the Clark Fork river. The river's headwaters are in Lolo National Forest near Phillipsburg, Montana. The river roughly parallels the Sapphire Mountains and enters the Clark Fork of the Columbia River near Clinton, Montana.

  9. Garnet, Montana - Wikipedia

    en.wikipedia.org/wiki/Garnet,_Montana

    Garnet, Montana. Garnet is a ghost town in Granite County, Montana, United States. A thriving mining town in the 1890s, Garnet's population declined when local hard rock mines closed. The remaining buildings have been preserved and are open to visitors. The site is managed by the Bureau of Land Management.

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