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Large Scale Mining

Hecla Fights Bad Actor Label in Montana

Environmental groups last year urged Montana regulators to impose the bad actor designation, and now are seeking to intervene in the case.

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Alaska: Large-Scale Mining Can Be Done Right


"As elected leaders of the State of Alaska, we want you to know that Alaska is open to investment from those who seek to develop our state's natural resources safely and responsibly..."

Underground Mining: Stoping Methods


In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.

Colorado Miner Sues EPA Over 2015 Spill


Hennis claims that months later and without his permission, the EPA built a $2.3 million water treatment facility on the property and the agency continues treating water and storing waste there.

The Ely Copper-Gold District of Nevada


The main ore deposits of the Ely district are associated with an east-west belt of altered and mineralized rocks measuring about one mile wide that extends 8 miles westward from Ely.

Hard Rock 101: Advanced Micro Blasting


They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.

Feds Deny Lease Renewals for Minnesota Mine


Two longstanding mineral rights leases that are critical for a proposed large underground copper-nickel mine upstream from the Boundary Waters Canoe Area Wilderness in northeastern Minnesota will not be renewed, two federal agencies announced…

Conductive Minerals and Your Metal Detector


...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.

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