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Tantalum
July 1999 by Edgar B. Heylmun, PhD
Tantalum is a refractory metal which is non-toxic, ductile; easily fabricated, has a high melting point, is highly resistant to corrosion and is a good conductor of heat and electricity. It has the unique ability to transmit an alternating current in only one direction.In Pursuit of Gold and Silver in the Sierra Madres
We have concessions high in the Occidental mountains to the west, while down near our pueblo we have begun construction of a mill to process the ore we will soon be mining. As I look around, our new shop with its adjoining wings...
High Court to Rule on Kensington Tailings
A case before the Supreme Court could set a precedent for how mining waste is disposed of in streams, rivers, lakes and even wetlands.
Uphill Battle Continues for California Dredgers
There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
The Bawl Mill
• A true alarm clock
• No better time to roast a pig
• By the numbers…
The Silver Islet Mountains of Utah
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
Mining Stock Quotes and Mineral & Metal Prices
Legislative and Regulatory Update
• Meeting planned to address small-scale regulations
• Karuk Tribe update
• Oregon dredgers in their own fight over regulations
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The Bawl Mill
• Gold Hunters Hit the Web in Fight with Missile Range
• Religious Broadcaster in Liberia Mining Venture
• Kazak Government Collects Gold from Residents
• Recreational Gold Panning on the South Yuba River
• Groups Wonder Meaning of Call for More Wilderness
• Mining Claim Maintenance Fee Due
• Desert Bonanza
• Gold Near Boulder, Colorado
• Company Notes
• The Carissa Gold Mine, South Pass, Wyoming—A Sleeper?
• Building the American Dream
• Picks & Pans: A Pay Streak in Slate
• Elizabethtown: Uncovering a Buried California Mining Community
• California Diamonds
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Silver Demand Driving Mine Production Up—Mexico Remains Number One Producer
• Looking Back
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