All Articles
The Old Dutch Cleanser Mine
January 2003 by Dr. Ralph E. Pray
The naturally occurring white scouring powder called Old Dutch Cleanser, originally from Kern County, California, is a household helper known throughout America. As a sink, stove, and tub cleaner, the abrasive pumicite is one of...
Mining Ends in Leadville
An era ended in Leadville February 4, when the last miners left the Black Cloud mine and hung up their brass tags for the last time.
Proper Placer Sample Processing
...your sampling procedures should not be designed to catch gold your mining technique will never recover.
Traditional Adversaries Reach Agreement
The Stillwater Mining Company and three citizen watchdog groups have signed a 38-page accord that creates a new relationship between the traditional adversaries and could set an example for resource development decisions in the West.
Finding Gold in Mokelumne River Canyon
The Mokelumne River was first worked by the ‘49ers, and foundations of Spanish missions and old miner’s cabins are still present. Elton’s first experience with Roaring Camp came in 1947, when he took a job packing in supplies...
Gold, Quartz & Chalcedony—Part I
Gold has always been noted to have an affinity for quartz to such a degree prospectors almost always dig on quartz veins in a search for the precious metal.
Think You Got It All? Guess Again!
May 2016Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.
The Power of Mining Districts
...Most importantly, the mining districts can open the federal land to multiple-use by the public on principles of inclusion rather than the present-day exclusions...
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The Bawl Mill
• The Ferris-Haggarty Copper-Gold Mine, Grand Encampment District, Wyoming
• Directory of Active Mines in Arizona Available
• Picks & Pans: Gold Prospecting on the East Fork River, Alaska
• Beryllium in Nevada
• Company Notes
• The Cemetery Rush
• Border Silver
• Grandfather John's Notes
• ICMJ's 12th Annual Photo Contest Results
• Tiffany & Co. to Open Plant in Northern Canada
• The Patio
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
