All Articles
Glacial Gold in the Midwest
September 2010 by Chuck Lassiter
Although the potential for fortunes to be made from the commercial mining of this rich glacial gravel conceivably exists, so far no large mining company has shown any serious interest in it.
Ask The Experts — How have fellow dredgers modified their dredges in order to retain fine gold?
Q: In the article by David Knowlen, “There’s Still Gold in the Umpqua River,” January 2008, the author stated that “most conventional dredges with normal angles of sluice setup do not retain this gold.”...
The Bawl Mill
• It’s time for a change
• No such thing as a free lunch
• Cold weather interrupts global warming expedition
Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer
HPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.
History of Mining—Bradshaw Mountains, AZ (Part I)
The Bradshaw Mountains, southeast of the old territorial capital city of Prescott, contain traces of many old mines and the railroads that were built to serve them.
The Basics of Small-Scale Heap Leaching with Cyanide
In last month’s article I talked a bit about opportunities for heap leaching small hardrock deposits. This month I’m going to talk about the basics of putting together a heap leach project, including building the pad and leaching the ore.
Original Issue Now Available as a Free Download
An original copy of our very first issue was recently found at the North Star Mining Museum in California by Carol Marshall, and the museum was nice enough to return it to us! (Read the full story.)
The issue is now available as a free pdf download. The file is approximately 7Mb.
(A black & white reprint is also available for $6.00 plus postage.)
Click here to download a copy.
Picks & Pans: Prospecting on Perry Creek
A couple of years ago Smokey Joe (Joe Parsons) and I partnered up on a placer claim on Perry Creek in southeastern British Columbia. This is one of the old gold creeks from the early days.
Subscription Required:
Legislative and Regulatory Update
• Hardrock Mining Accidents Claim Four Lives
• Prospecting Old Tertiary Channels
• The Jenkins Mine Project Pt II: Terrain and Map Study
• Search Called Off for Missing Treasure Hunters
• Hardrock Prospecting in El Dorado County, California
• Gold & Silver of the Comstock Lode
• Melman on Gold & Silver
• Forest Service Pays Miners $245K for Unlawful Destruction of Mine
