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This period was one with far less stringent environmental regulation. One of the first superfund sites managed by the EPA was Torch Lake. Because the tailings contained little sulfide problems of acid mine tailings were not present in this case. Stamp sands did not sustain vegetation however possible because of copper and other elements concentrating in ground water within stamp sands.Get Price
This period was one with far less stringent environmental regulation. One of the first superfund sites managed by the EPA was Torch Lake. Because the tailings contained little sulfide problems of acid mine tailings were not present in this case. Stamp sands did not sustain vegetation however possible because of copper and other elements concentrating in ground water within stamp sands.
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 .
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.
Mar 24 2016 Of all the Areas of Concern in the Upper Peninsula it is the Keweenaws 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.
Torch Lake was the tailings pond for both the CampH 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
as a source of mercury to Torch Lake. Osceola Mine Number 13 in Laurium continues to discharge saline water containing high levels of mercury into Hammell Creek that drains ultimately into Torch Lake. Mercury and Torch Lake the Bottom Line n Mercury concentrations in Torch Lake sediments water and fish are higher than in nearby lakes.
Sep 08 2020 Torch Lake is Michigans largest inland lake by water volume it has a surface area of more than 18000 acres and a maximum depth of nearly
Jan 01 1999 Torch Lake MI is a Federal Superfund Site and a Great Lakes Area of Concern. Torch Lake was impacted by over 200 million tons of copper rich mine tailings that were deposited in and along the shores of the lake. Twenty percent of the volume of the lake was displaced and the sediments have high concentrations of copper 1000 mgkg dry weight on average.
The 2700-acre Torch Lake Superfund site is located on . Michigans Keweenaw Peninsula. The site includes lakes ponds waterways and tailing piles. From the 1890s until 1971 copper mining activities included the deposition of mine wastes into the surrounding surface water and soil resulting in groundwater surface water and soil contamination. Copper mining and processing activities in the
Jul 13 2015 In a document about Torch Lake called Evaluation of recreational uses at beach areas at Lake Linden and along Torch Lake Houghton County Michigan dated Sept. 30 2014 from the former .
Mar 24 2016 Recent studies have shown the waters in the Western U.P. have about 20 percent higher mercury levels than those downstate a remnant of the areas mining history. And there is an unusually high concentration in Torch Lake. This is thought to be a result of the natural recovery process of the surrounding wetlands and the methylation of mercury.
The real end of the Quincy amp Torch Lake really came in 1905 when the Quincy Mining Company bought 4 engines 17 flat cars 119 rock cars and one turntable from the QampTL. This purchase was made to remove the 300000 debt the railroad had accumulated over the years.
Things to do near Torch Lake Cellars on Tripadvisor See 3199 reviews and 1351 candid photos of things to do near Torch Lake Cellars in Bellaire Michigan.
Find Torch Lake Waterfront Homes for Sale. The data relating to real estate for sale on this web site comes in part from the Internet Data exchange IDX program of
Torch Lake is located in Houghton County Michigan. This lake is 2659 acres in size. When fishing anglers can expect to catch a variety of fish including Brown Trout Chinook Salmon Lake Sturgeon Northern Pike Rock Bass Smallmouth Bass Walleye Yellow Perch Splake.
Mar 29 2019 With steam-powered machines fueled by the abundant waters of Torch Lake stamp mills crushed that rock into small pieces and sorted the usable copper from it. The sizable pieces of poor rock could be preserved for use in construction of roads or buildings.
Its best known mineral to collectors is mohawkite. The mine also produced a large amount of native silver. especially in the upper levels. In 1923 the Mohawk Mining Co. took over the Wolverine Copper Mining Co. and the Michigan Copper Mining Co. The Mohawk had 5 shafts numbered 1 through 5 running frim north to south.
Students observe effects of mining on Torch Lake By Dan Robleehoughton Associated Press Posted - Aug. 13 2014 at 921 a.m.
Oct 20 2020 Cleanup of abandoned mining waste in the Keweenaw Peninsula making great progress EGLEs Abandoned Mine Waste project focuses on mining-era wastes historically discarded in or near Torch Lake
May 18 2020 The FFS will be performed in two areas of Torch Lake the Lake Linden Recreational Area LLRA and the Hubbell Processing Area HPA. The FFS will focus on developing remedial alternatives for addressing PCB lead and arsenic contaminated sediment in both areas as well as mining waste abandoned in the lakebed in the Hubbell Processing Area.
Torch Lake Area of Concern Torch Lake is located in Houghton County in Michigans Keweenaw Peninsula. The western shoreline of Torch Lake provided a site for milling facilities for the mines of Calumet and Hecla CampH and Quincy mining companies. A total of eight mills operated at different times along the shoreline between 1860 and