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October 2012 by Staff
Personal letters from our readers.....Understanding and Prospecting Benches
The most obvious benches are usually near the valley floor, but they can be thousands of feet above the valley floor. Since benches were made by streams, they can contain placer deposits.
Ask the Experts
• Using drywashers to work desert gravels
Mining Journal Wins Again!
A Primer on Bitcoin and Other Cryptocurrencies
Some financial commentators have speculated that bitcoin and other virtual currencies have captured a portion of funds that would have been invested in gold. I find it a bit ironic that people who invest in precious metals would even consider another fiat currency.
Ask The Experts — Please tell me more about the Tullock II rule.
Q: I read in the April 2006 ICMJ’s Prospecting and Mining Journal about the Tulloch II rule. I have not read anything on or about it since. Is there any more written about it? I would appreciate anything you could tell me.
Land of Golden Dreams—California in the Gold Rush Decade
San Marino, California—"Boys, I believe I have found a gold mine!" With these simple words, an obscure New Jersey carpenter and mechanic named James W. Marshall set in motion a global cascade of events that dramatically shaped the social and economic life of California and the American West.
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Cold Alaskan Gold—Part II
• Dredging Backwards?
• Tips for Detecting Old Hydraulic Pits
• The Verde Copper-Gold-Silver-Zinc District, Jerome, Arizona
• Recluse Died with $7 Million in Gold
• California State and US National Panning Championships
• A Data Miner Builds A Power Sluice
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Legislative and Regulatory Update
• DNI's Black Shale Metals Projects
