• Tranter Rock Drills

    The Rock Drills division of Boart Longyear, known throughout the South African mining industry by the acronym SECO, was originally founded in 1934 and has honed its expertise in rock drills and airlegs since the 1950s. The business, consisting of Boart Longyear's percussive rock drills and hard rock tool product lines and all associated ...

    Get Price
  • Legacy of pollution blocks prospects ...

    May 06, 2021 · Toxic legacy of mining in Little Rockies ... That and a substantial increase in the total value of reclamation bonds hard rock mining companies must post prior to obtaining an operations permit ...

    Get Price
  • Take a hammer to the 1872 Mining Act

    May 17, 2009 · APNewmont Mining's gold mine in Battle Mountain, Nev. The 137yearold law is a legacy of a bygone era in the West It's long past time to end the giveaway of public resources to the mining ...

    Get Price
  • Summit County | Articles | Colorado Encyclopedia

    Mining's Legacy. Gold panning, hydraulic mining, and hardrock mining provided wellpaid jobs for many, made the fortunes of few, and helped to develop Summit County economically. But these practices also had devastating effects on the local environment.

    Get Price
  • Toxic legacy haunts Montana; What can SC learn? | The State

    Oct 11, 2014 · All told, the state has more than 3,000 abandoned hard rock mining sites. Some of those are old shaft mines, copper pits or placer mines, the .

    Get Price
  • Openpit mining

    Openpit mining, also known as opencast or opencut mining and in larger contexts megamining, is a surface mining technique of extracting rock or minerals from the earth from an openair pit, sometimes known as a borrow.. This form of mining differs from extractive methods that require tunnelling into the earth, such as long wall mines are used when .

    Get Price
  • A CERCLA Update: The Hardrock Mining Financial Assurance ...

    May 01, 2019 · In our February 2017 article in this legal column, we reported on the United States Environmental Protection Agency's ( EPA) proposed rule requiring hardrock mines to provide financial assurance demonstrating they are able to fund the costs associated with the future cleanup of the mines under the Comprehensive Environmental Response, .

    Get Price
  • Coalition urges scrutiny of US mining activity

    Oct 04, 2021 · The petitioners state, "It's longpast time to reform the nation's hard rock mining rules, end generations of mininginflicted injustice to Indigenous communities and chart a new course for public lands stewardship toward a sustainable, clean energy economy."

    Get Price
  • Hard rock mining companies praise ...

    Mar 20, 2019 · "Mining is the nation's largest source of toxic pollution. The costs have been counted and are only going to continue to grow." An Earthworks report studying the mines responsible for 93 percent of gold production in 2013 found every site had at least one pipeline spill, such as diesel fuel or dangerous cyanide solutions used in gold ...

    Get Price
  • Biden Administration Revokes Mining Leases Near Minnesota ...

    Jan 28, 2022 · Biden Administration Revokes Mining Leases Near Minnesota's Boundary Waters ... often pointing to the hardrock mining industry's long legacy of polluting water resources across the country ...

    Get Price
  • Cyanide's Bitter End in Mining for Gold

    Nov 17, 1998 · But its legacy remains. ... Environmentalists hope the vote will strengthen support in Congress to reform the 1872 law on hard rock mining that allows virtually anyone to stake a mining claim on ...

    Get Price
  • Regulating Hardrock Mining | The Pew Charitable Trusts

    May 16, 2007 · Thanks to the 135yearold mining law, such practices can be perfectly legal and are increasing. The time for reform has never been riper. Read the full article Regulating Hard Rock Mining on the Sacramento Bee Web site.

    Get Price
  • Sluicing at Rocky Bar, Idaho

    • Getting The Most Value From Your GoldQuartz Specimens • Highbanking and the House Rock • Fix or Replace, Depreciate or WriteOff • Melman on Gold Silver • Mining Stock Quotes Mineral and Metal Prices. Free: Update on Oregon, Idaho and California Suction Dredge Permits • ECU Silver Mining Continues The Legacy

    Get Price
  • Mining Claims — How to Stake a Gold Mining Claim ...

    The government in the 1990's collected billion from companies taking coal, oil, and natural gas, plus billion in rents, bonuses, royalties and escrow payments for offshore oil and gas reserves (5). Still, hardrock miners pay nothing for the gold, silver, platinum, copper and other minerals they get. Mill Sites and their Legacy

    Get Price
  • Effects of lithium resource exploitation on surface water ...

    Jan 23, 2021 · Whether mining activities before 2013 and legacy tailings in Jiajika caused the contamination of surface waters in the region with HMMs must be investigated, particularly because mining activities in the area were resumed in 2019. There is no relevant research on the water environment investigation of hardrocktype Li mine.

    Get Price
  • The General Mining Act of 1872 has left a legacy of riches ...

    Jun 11, 2001 · The General Mining Act of 1872 has left a legacy of riches and ruin. ... Find a bit of federal land that appears to contain gold, silver or .

    Get Price