All Articles
San Diego County Tourmaline
June 2001 by Frank Lorey III
San Diego County, California, has long been considered the finest source of pink tourmaline in the world. The Pala, Mesa Grande, Rincon, and Ramona districts in the northern portion of the county have produced tourmaline, kunzite, and other gems in great quantities, much of it jewelry and museum-quality specimens.Melman on Gold & Silver
Seldom, if ever, have we witnessed as much financial upheaval or as rapid a change in sentiment as we saw in the first two trading days of the year...
The Bawl Mill
• Your tax dollars at work
• He's an "expert" in stupidity
• No sense of humor
Colorado Disputes Key Part of EPA Mine Report
King’s letter is a blow to the EPA’s contention that outside technical experts supported its plan to push a drainage pipe through debris covering the entrance to the Gold King Mine…
The Treasure Detective—Part III
In the 1800s, rich silver and gold mines along the eastern Sierras were supplied from Los Angeles by a wagon road with an important stage stop at Freeman Junction. Wagons carrying the gold and silver back from the mines to Los Angeles followed the same wagon road. A cottage industry of robbery arose where numerous individuals made a living holding up these wagons and making off into the hills with the loot.
Highbanking for Gold
Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.
Federal Court to Address Dredge Permits—The Tulloch Rule
Congress passed Section 404 of the Clean Water Act (CWA), which was originally called the Federal Water Pollution Control Act, 33 USC 1344, in 1972. Section 404 authorized the US Army Corps of Engineers (the Corps) to issue permits “for the discharge of dredged or fill material into the navigable waters at specified disposal sites.”
Looking Back
Excerpts from CMJ published 50 years ago this month.
Subscription Required:
The Bawl Mill
• Our Readers Say
• Nebraska Couple Finds Big Nugget in Arizona
• Great Basin Gold
• Company Notes
• GATA Update
• Picks & Pans: Selecting a Gold Dredge
• VLF Detectors and the Effect of Mineralization While Nuggetshooting
• Search for the Legendary Sierra Azul
• Public Lands for the People Educates Prospectors
• Harshaw's Silver Days
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• Crandon Mine Decision Still Years Away, Says State
• Investors Hope to Revive Idaho Gold Mine
