Search results
Results from the WOW.Com Content Network
13-oz. nugget of native copper, Keweenaw County, Michigan.Size 9.5 x 8.6 x 1.7 cm. Native copper from the Keweenaw Peninsula Michigan about 2.5 inches (6.4 cm) long. Copper Country is highly unusual among mining districts in that the copper mined was predominantly in its elemental ("native") form, rather than in the form of compounds (mostly oxides and sulfides) that form the basis of the ...
Many copper mines have existed in the Copper Country of the U.S. state of Michigan. These include both large-scale commercial ventures and small operations. There are hundreds of ancient mining pits in and around the Copper Country area, especially on Isle Royale (several of these were developed).
Copper mining in the Upper Peninsula boomed, and from 1845 until 1887 (when it was exceeded by Butte, Montana) the Michigan Copper Country was the nation's leading producer of copper. In most years from 1850 through 1881, Michigan produced more than three-quarters of the nation's copper, and in 1869 produced more than 95% of the country's copper.
Cliff mill - Clifton, Michigan; Copper Falls mill - Southwest of Eagle Harbor, Michigan; Delaware mill - Delaware, Michigan; Dodgeville mill and pits - Dodgeville, Michigan; Humboldt mill - In Champion, Michigan. Planned to be used as a part of the new Eagle mine project; Huron mill; Isle Royale mill - Two miles east of Houghton, Michigan
The state of Michigan acquired these land parcels after they had been stripped of their old growth trees in the late 19th and early 20th centuries; today, the state manages the land for reforestation. In many cases, the second-growth trees that have sprouted throughout Copper Country land are pulpwood trees such as aspen and birch. [1]
Native copper specimen from the Cliff mine. Size 2.4 x 1.3 x 1.3 cm. A large native silver specimen from the Cliff mine, 5.5 x 3.7 x 2.8 cm. The Cliff mine was the first successful copper mine in the Copper Country of the state of Michigan in the United States. The mine is at the now-abandoned town of Clifton in Keweenaw County. Mining began in ...
Size 6.6 x 3.8 x 3.2 cm. Copper Range railroad boxcar, 1973. The Copper Range Company was a major copper-mining company in the Copper Country of Michigan, United States. It began as the Copper Range Company in the late 19th century as a holding company specializing in shares in the copper mines south of Houghton, Michigan. The company was ...
Laurium is located in the center of the Copper Country, the first major copper mining region in the United States. It was founded as a company town serving the Laurium copper mine, which later became part of the Calumet & Hecla mine. The town was generally home to the wealthier members of Keweenaw society, such as mine owners and captains.