METALS IN AND AROUND TORCH LAKE: WHAT’S THE STORY?

Feb 16, 2019· METALS IN TORCH LAKE — ARE THEY A CONCERN? Yes. The mining industry processed many tons of metal-rich ore and also left behind metal-rich materials that are potentially harmful to both humans and wildlife. Some of the lasting impacts include: • Copper, the most abundant metal around Torch Lake, can be toxic to humans, but is more harmful to

Torch Lake Sands - Michigan Technological University

Torch Lake was the tailings pond for both the C&H mines in Calumet and the Quincy Mine in Hancock, the two largest mines in the whole district. A significant fraction of the entire volume of the lake was filled with stand sands and other mining wastes. This period

About – Torch Lake Public Action Council

Torch Lake Area of Concern Torch Lake is loed in Houghton County in Michigan''s Keweenaw Peninsula. The western shoreline of Torch Lake provided a site for milling facilities for the mines of Calumet and Hecla (C&H) and Quincy mining companies. A total of eight mills operated at different times along the shoreline between 1860 and

Data and Reports – Torch Lake Public Action Council

1992 Drum Removal Report. The 1992 Drum Removal Report provides information about the more than 800 drums thought to contain hazardous substances that are in the western side of Torch Lake in four loions: off the shore of Calumet and Hecla smelting mill in Lake Linden, off shore of the Ahmeek mill site, off shore of the Tamarack site, and off shore of the Quincy site.

Data and Reports – Torch Lake Public Action Council

1992 Drum Removal Report. The 1992 Drum Removal Report provides information about the more than 800 drums thought to contain hazardous substances that are in the western side of Torch Lake in four loions: off the shore of Calumet and Hecla smelting mill in Lake Linden, off shore of the Ahmeek mill site, off shore of the Tamarack site, and off shore of the Quincy site.

Keweenaw mining waste cleanup ‘making great progress

Oct 22, 2020· At Houghton County’s Torch Lake, once the site of multiple mining and ore processing operations, it’s estimated that at least 20 percent of 2,700-acre lake’s volume was eventually filled with

Torch Lake Steam Locomotive, 1873 - The Henry Ford

The Torch Lake , built by the Mason Machine Works in 1873, hauled ore for the Calumet and Hecla Mining Company on Michigan''s Keweenaw Peninsula. The engine is an articulated design. The driving wheels pivot under the boiler, allowing the locomotive to handle sharp curves. The Torch Lake joined The Henry Ford''s collection in 1969.

Mining boom roils Upper Peninsula | Bridge Michigan

The Michigan Department of Environmental Quality already has approved one controversial metallic sulfide mine, the $469 million Kennecott Eagle Minerals project near Marquette. That project also withstood a court challenge.

Torch Lake is a cautionary tale of what happens when

Mar 24, 2016· Of all the Areas of Concern in the Upper Peninsula, it is the Keweenaw''s Torch Lake that has suffered the most at the hands of industry and mining. The lake, on which the towns of Lake Linden and Hubbell are situated, was the site of multiple mining operations and copper processing industry all the way through the mid-20th century.

About – Torch Lake Public Action Council

Torch Lake Area of Concern Torch Lake is loed in Houghton County in Michigan''s Keweenaw Peninsula. The western shoreline of Torch Lake provided a site for milling facilities for the mines of Calumet and Hecla (C&H) and Quincy mining companies. A total of eight mills operated at different times along the shoreline between 1860 and

Torch Lake, MI. Summer ''17 In 4K -

Torch Lake, Michigan, summer 2017. Song: Valesco - Cloud 9 Filmed with DJI Phantom 3 professional, in 4K. Like and subscribe for more!

Torch Lake - Michigan Technological University

Torch Lake was the tailings pond for both the C&H mines in Calumet and the Quincy Mine in Hancock, the two largest mines in the whole district. A significant fraction of the entire volume of the lake was filled with stand sands and other mining wastes. This period

Sediment Toxicity from Copper in the Torch Lake (MI) Great

Jan 01, 1999· Torch Lake (MI) is a Federal Superfund Site and a Great Lakes Area of Concern. and copper carbonate has a solu- bility of about 250 mg/L. Sulfide precipitates would be stable as well. However, work in the Keweenaw waterway has shown the copper-to-AVS (acid volatile sulfide) ratio is generally greater than 100 meaning that sulfides are not

Torch Lake AOC | Great Lakes Areas of Concern | US EPA

Immediate environs are those areas along the shore of Torch Lake where wastes from the production of copper contributed directly to the contaminant loadings of Torch Lake. Mining of the native copper found in the region''s bedrock formations began during the 1840s and continued until 1968, when all mining related operations ceased.

Torch Lake Area of Concern IA | Michigan Sea Grant

In 2012, Michigan Sea Grant funded a Michigan Technological University research team to conduct an integrated assessment of the Torch Lake AOC, a site which includes Torch Lake and its watershed. This is a challenging site to investigate because of conflicting information on the success of remediation efforts and the remaining problems on site.

Keweenaw mining waste cleanup ‘making great progress

Oct 22, 2020· At Houghton County’s Torch Lake, once the site of multiple mining and ore processing operations, it’s estimated that at least 20 percent of 2,700-acre lake’s volume was eventually filled

METALS IN AND AROUND TORCH LAKE: WHAT’S THE

Feb 16, 2019· METALS IN TORCH LAKE — ARE THEY A CONCERN? Yes. The mining industry processed many tons of metal-rich ore and also left behind metal-rich materials that are potentially harmful to both humans and wildlife. Some of the lasting impacts include: • Copper, the most abundant metal around Torch Lake, can be toxic to humans, but is more harmful to

Torch Lake AOC | Great Lakes Areas of Concern | US EPA

Immediate environs are those areas along the shore of Torch Lake where wastes from the production of copper contributed directly to the contaminant loadings of Torch Lake. Mining of the native copper found in the region''s bedrock formations began during the 1840s and continued until 1968, when all mining related operations ceased.

Huge Upper Peninsula mine OK''d despite major concerns

Aug 13, 2019· The open-pit sulfide mine would operate on 83 acres and its pit would be 2,000 feet by 2,500 feet, and 750 feet deep, according to the company.

Sediment Toxicity from Copper in the Torch Lake (MI) Great

Jan 01, 1999· Torch Lake (MI) is a Federal Superfund Site and a Great Lakes Area of Concern. and copper carbonate has a solu- bility of about 250 mg/L. Sulfide precipitates would be stable as well. However, work in the Keweenaw waterway has shown the copper-to-AVS (acid volatile sulfide) ratio is generally greater than 100 meaning that sulfides are not

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