The History of Tombstone
July 2000 by Edgar B. Heylmun, PhDThe 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.
Dale's research of known gold producing districts in southern California and his knowledge of metal detecting produced these large gold-quartz specimens. This certainly would make any trip a very good one, but it turned out to be just the...
Unquestionably, the first impression received from touring the exhibition areas at “MINExpo International 2004,” sponsored by the National Mining Association and held at the Las Vegas Convention Center from September 27-30, is one of sheer size. While other gatherings are delighted to host a couple of hundred exhibitors and attract three or four thousand attendees...
• Set for life...at everyone else’s expense
• As long as we’re giving away money...
• Consulting pays well in NY
• The old bait and switch...
• Not an enviable record
It was one of those awkward situations as we walked, fatigued and too thirsty to speak a word.
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
It is better in a gem and mineral mining operation that the driller, blaster and mucker be the same person in order to be able to predict placement of the desired mineral enriched pockets.
The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.
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