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The History of Tombstone
July 2000 by Edgar B. Heylmun, PhD
The Tombstone Mining District of Arizona was not a major producer of silver in comparison with some districts in other states, but it has had a long and colorful history.Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The Basics of Crushing and Milling Operations
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.
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• Sweep speed and sensitivity settings for a GPX-4500
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Melman on Gold & Silver
Much of the past 12 months, both in America and around the world, has been devoted to discussions of Keynesianism versus the Austrian School of economics; of the value versus risks of “Quantitative Easing,” of free markets versus government-dominated markets; and of the right of government to accede to unlimited demands on her resources, no matter the cost.
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The Bawl Mill
• Our Readers Say
• Mine Market / Circulation Manager Returns to High School
• A Word from the Editor
• GOP Chairmen Ask Gore to Recuse Himself From Roadless Plan
• Treasure Hunters Abound in Greece
• Hope Boy Finds Gem During Field Trip
• Deadly Explosion Ruled Accidental
• Canyon Resources Offers to Sell Mineral Rights
• Four Miners Die in Mine Accidents in Ukraine
• GPS Speeds Filing of Claims in Alaska
• 15th, 16th Century Coins Found in Romania
• Miners Attend Meeting in Myrtle Point, Oregon
• Picks & Pans: Detecting in Kauai, Hawaii
• Mannequins Bring "Life" to Mining Museum
• Company Notes
• Metal Detector Only Requirement for Hunting Treasure
• Mystery of the Reed Gold Mine Nuggets
• The Colorado Mineral Belt
• Millennium of Russian Gold on Display in U.S.
• Judge to Decide Regarding Release of Records
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
