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Large Scale Mining

Canadian Company Recovers 1,111-Carat Diamond

It is the second largest gem-quality diamond in history, after the 3,106-carat “Cullinan Diamond” was recovered in South Africa in 1905.

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New Oregon Mining Legislation Friendly to Small Miner


Oregon Independent Miners president, John Holleman, has advised ICMJ that legislation important to the Oregon small miner, sponsored by his organization, has been signed into law.

Gold Ores of the Delamar District, Nevada


Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.

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…

Underground Mining: Getting the Ore Out


Choosing the right method to move your ore and waste is all about making the right choices. Sometimes more than one method may be used during the life of a mine as an operation expands and grows.

DNI's Black Shale Metals Projects


While much attention in northern Alberta has been focused on the rapidly growing “oil sands,” another story of particular interest to the mining community has been taking shape virtually unnoticed in the same region.

Re-Opening Nevada’s Relief Canyon Mine


When I read about these new discoveries, I often wonder how the original operators ignored all the additional ore. Yet this has happened again and again in Nevada and many other places.

Vehicles Equal Moving Deductions for Mining Operations


Knowing how and when to deduct the cost and expenses of the vehicles used in the prospecting or mining operation can have significant tax implications.

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