February 2000 by Carolyn DobbsHardy goldminers enjoyed creating nicknames for their cronies.
Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
This mine was a real wonder of engineering, and the water supply and drifts had to be carefully managed to keep it in operation. In fact, it didn’t close due to lack of gold, but instead closed with the fall of the Roman Empire.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
The need to bring mining back to North America is more urgent than ever.
The Bawl Mill • Clinton Declares Three More National Monuments • McCain Derides Clinton Forest Policy • Foreigners Lure Mining Partners • Pacific Island Gov'ts Focus on Undersea Mining • Options Narrowed for Managing Chugach National Forest • Company Notes • Diamond Fever • Gold in Jasperoid • Underground Geologic Mapping • New Quarry Regulations in West Virginia • Ash Fork Calm After Explosives Theft • Picks & Pans: Mining in Ghana • Little Rocky Mountains, Montana • Collector Reaches New Lows to Find Bottles • Chinese Camp, California and the Tong War of 1856 • Visionaries, Scoundrels, and Gamblers • Executive Defends Special Mill Site Exemption • Chasing the Ghosts of Forty-Niners • Washoe County Balks at Black Rock Desert Plan • State's Only Gold Mine Processes Last Precious Ore • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back