Search results
Results from the WOW.Com Content Network
The Keweenaw Peninsula and Isle Royale, formed by the Midcontinent Rift System, are the only sites in the United States with evidence of prehistoric aboriginal mining of copper. Artifacts made from this copper by these ancient indigenous people were traded as far south as present-day Alabama . [ 3 ]
Franklin Jr. mine (originally the Albany and Boston mine; then the Peninsula mine) - Ripley, Houghton County; Halliwell mine - Porcupine Mountains, Ontonagon County; Hancock mine - Hancock, Houghton County Dupuis shaft; Hanover mine - Copper Harbor, Keweenaw County; Hays mine (originally the Pittsburg and Boston mine) - Copper Harbor, Keweenaw ...
Copper knife, spearpoints, awls, and spade made from copper deposits mined by Native Americans in Wisconsin from the Late Archaic period, 3000 BC-1000 BC.. Native Americans were the first to mine and work the copper of Lake Superior and the Keweenaw Peninsula of northern Michigan between 5000 BCE and 1200 BCE.
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 ...
Delaware Mine entrance. The Delaware Copper Mine is located off U.S. Highway 41 (US 41), 12 miles (19 km) south of Copper Harbor, Michigan. [4] The Delaware Copper Mine provides tours of one of the oldest copper mines in the Keweenaw, [4] dating back to 1846. [18] The mine had five shafts, with the deepest reaching 1,400 feet (430 m). [18]
The county is part of Michigan's Copper Country region, an area where copper mining was prevalent from the 1840s to the 1960s. Polished native copper nugget from Keweenaw County. Keweenaw County copper mines were important producers in the late 19th and early 20th centuries. [5] Haven Falls, on Haven Creek near Lac La Belle
Quincy Mining Co. Strataform native copper Closed since 1945. Now part of Keweenaw National Historical Park: Cliff: Keweenaw County, Michigan: Pittsburgh & Boston Mining Co. Vein native copper Productive 1845 to 1887 Victoria Mine: Victoria, Ontonagon County, Michigan: Victoria Copper Mining Company Closed in 1921 C&H: Calumet, Houghton County ...
The Minong Mine site contains prehistoric copper mining pits, thought to be as old as 4500 years. In addition, the site contains the remains of the Minong Mine, a 19th century copper mine that produced 249 tons of copper over its ten years of existence. 33: Monarch: Monarch: June 14, 1984 : Palisade area on the north side of Blake Point [6