Calumet Charter Township is a charter township of Houghton County in the U.S. state of Michigan. The population was 6,489 at the 2010 census, down from 6,997 at the 2000 census. Even with a decreasing population, the township remains the largest township by population in Houghton County.
Ahmeek is a village in Keweenaw County in the U.S. state of Michigan. The population was 146 at the 2010 census. The village is in Allouez Township. The name Ahmeek is derived from the Ojibwe (Chippewa) language. The village takes its name from the Ojibwe word, amik, which means "Beaver", and it was named so because of an abundance of beavers in the vicinity of the present-day village.
The Quincy Mine is an extensive set of copper mines located near Hancock, Michigan. The mine was owned by the Quincy Mining Company and operated between 1846 and 1945, although some activities continued through the 1970s. The Quincy Mine was known as "Old Reliable," as the Quincy Mine Company paid a dividend to investors every year from 1868 through 1920. The Quincy Mining Company Historic District is a United States National Historic Landmark District; other Quincy Mine properties nearby, including the Quincy Mining Company Stamp Mills, the Quincy Dredge Number Two, and the Quincy Smelter are also historically significant.
Keweenaw National Historical Park is a unit of the U.S. National Park Service. Established in 1992, the park celebrates the life and history of the Keweenaw Peninsula in the Upper Peninsula of the U.S. state of Michigan. As of 2009, it is a partly privatized park made up of two primary units, the Calumet Unit and the Quincy Unit, and 21 cooperating "Heritage Sites" located on federal, state, and privately owned land in and around the Keweenaw Peninsula. The National Park Service owns approximately 1,700 acres (690 ha) in the Calumet and Quincy Units. Units are located in Baraga, Houghton, Keweenaw, and Ontonagon counties.
Reymert is a populated place in Pinal County, Arizona.
Antlerite is a greenish hydrous copper sulfate mineral, with the formula Cu3(SO4)(OH)4. It occurs in tabular, acicular, or fibrous crystals with a vitreous luster. Originally believed to be a rare mineral, antlerite was found to be the primary ore of the oxidised zones in several copper mines across the world, including the Chuquicamata mine in Chile, and the Antler mine in Arizona, US from which it takes its name. It is chemically and optically similar in many respects to other copper minerals such as malachite and brochantite, though it can be distinguished from the former by a lack of effervescence in hydrochloric acid.
This is a list of the National Register of Historic Places listings in Houghton County, Michigan.
The Calumet and Hecla Mining Company was a major copper-mining company based within Michigan's Copper Country. In the 19th century, the company paid out more than $72 million in shareholder dividends, more than any other mining company in the United States during that period.
Copper mining in Michigan became an important industry in the 19th and early 20th centuries. Its rise marked the start of copper mining as a major industry in the United States.
The Madawaska Mine is an abandoned underground uranium mine near the town of Bancroft, Ontario which produced 9,492,171 pounds of U3O8 during its two periods of production.
Winona, Michigan is an unincorporated community, ghost town and one-time boomtown of Elm River Township in Houghton County, Michigan. It was once home to over 1,000 individuals in 1920, but today is home to as few as 13. It is located 33 miles to the south of the city of Houghton off of M-26. In its heyday, Winona had restaurants, a brewery, sports teams, churches, boarding houses, a train depot, a saloon, stores, boardwalks, a school, five neighbourhoods, a dance hall and a barber shop. Only a schools, a church, and a few homes remain intact.
The Osceola Mine was a copper mine consisting of 11 shafts located in Osceola Township, Houghton County, Michigan. In 1895, it was the site of the deadliest mine disaster in the Copper Country.
Mopani Copper Mines PLC ("Mopani") is a Zambian registered company owned by Carlisa Investments Corporation and ZCCM-IH (10%). Minority shareholders are spread throughout the world, in various locations.
The Mohawk Mining Company was a major copper mining company, based in the Keweenaw Peninsula of Michigan, that was established in November 1898 and lasted until 1932. The company, between 1906 and 1932, paid out more than $15 million in shareholder dividends. The Mine is best known for the large amounts of mohawkite that were found on the property. The Mohawk mine operated until 1932; in 1934 it was purchased by the Copper Range Company.
Ammineite is the first recognized mineral containing ammine groups. Its formula is [CuCl2(NH3)2]. The mineral is chemically pure. It was found in a guano deposit in Chile. At the same site other ammine-containing minerals were later found:
The International Smelting and Refining Company was a subsidiary of Anaconda Copper which operated primarily out of the International Smelter near Tooele, Utah. The International Smelter began operation in 1910 as a copper producer handling ores from Bingham Canyon and was expanded into a lead smelting operation in 1912. Copper smelting finished at International in 1946, and the lead smelter shut down in January 1972. The closure of the smelter would lead to the associated Tooele Valley Railway to be shut down ten years later in 1982. The company also handled several other Anaconda owned interests. After the shut down of several of the International Smelting sites, environmental reclamation has been performed by Anaconda Copper's successor company ARCO and the EPA Superfund program.
