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Silver and Base Metal Deposits of the Pioche District


The areas that were mineralized with the bedded ore were huge and vast tonnages were indicated, although they had no idea at the time.

Tight Budgets Force Forest Service to Cut Back


Seasonal wilderness-area rangers have been among the first to go as Forest Service managers juggle budget demands.

Ask The Experts - LR 2000, ArcGIS, and other mapping applications


The Tangential Impulse Water Wheel in California Gold Mining History—Part II


Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.

The Centennial Lode and the Centennial Ridge District, Wyoming


In 1874, placer gold was discovered in the Middle Fork of the Little Laramie River south of the present site of Centennial village. The source of the gold was traced upslope to a nearby ridge in the following year.

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

Building A Mine—Dust Devil Sunstones


sunstones from the Dust Devil Mine in OregonEstablishing a gemstone mine, like any other mining operation, is a difficult proposition. This is especially true if you are starting out from scratch without loads of money to get the business going.

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The Bawl Mill   • Ask The Experts - What’s the status of suction gold dredge permitting in California?   • Ask The Experts - How do I properly and safely dispose of blasting caps?   • Ask The Experts - How much silver per ton does it take to make a mine profitable?   • Ask The Experts - How clean do my gold concentrates need to be to pour a gold button or bar?   • Ask The Experts - What is the name and model of the old jaw crusher pictured in last month’s issue?   • Dredging Tips and Tricks: T-80 Air Compressor Maintenance   • Hard Rock 101: Mechanical Techniques   • Clearing the Nugget Trap with a Detector   • Resurrecting an Old Hard Rock Mine—Setting Up the Millsite   • Desert Prospecting Yields More Than Just Gold   • Memories of Shirttail Creek, Northern California   • Indictments Pile Up for Gold Traders   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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Seeking The Truth—A Letter From the Editor   • Legislative and Regulatory Update   • PLP Update: The Path for Legally Re-Starting Suction Gold Dredge Mining in 2021

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