All Articles
New Life for the Suction Nozzle
December 2003 by Reggie Gould
The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is sometimes referred to as a “log.” The main benefit of the log is that the operator only needs a suction hose with a short nozzle.Las Médulas—The Gem of the Roman Gold Mines
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.
Gold Prospecting and Mining Summit
We have tentatively scheduled a date for next year’s show and we want you to know it’s not going to be on Easter weekend!
From the Editor
You will find a few articles in this issue that you wouldn’t normally expect to see in the Journal. Don’t fret—we’re not changing our focus, but the time seemed right to address a few pressing topics.
Legislative and Regulatory Update
• Clean Water Act rule change proposed
• DOJ files motion against Oregon miners
• Off-road access case to be reviewed by Supreme Court
• Resources Coalition hard at work
• Leavitt takes helm of EPA
2002 California State Gold Panning Championships—Foresthill, California
For the second year in a row the historic mining town of Foresthill hosted the California State Gold Panning Championships. The State Championships are sponsored by the Mother Lode Goldhounds, a California non-profit corporation.
The Fire Assay of Fly Eyes
Colorado-Utah-Wyoming oil shale was first reliably discovered to contain gold and silver by the U.S. Bureau of Mines in the 1920s. Although most of this vast shale resource, up to 1,000 feet in thickness, contained nil or barely detectable values, many brown shale samples fire assayed here over the past thirty years have yielded up to 0.02 ounces per ton (opt) Au and 2.0 opt Ag.
Central Idaho Federal Employees Back to Work With Local Help
The fire started early October 4, destroying the Bureau of Land Management office on the edge of town within minutes.
Subscription Required:
The Bawl Mill
• Searching for Placer Diamonds
• Lawsuit on Alleged Market Manipulation Continues
• Texas "Hill Country" Gold
• A Guide to Overlooked Gold Deposits—Part IV
• Picks & Pans: Detecting in Northern Nevada
• Miners Welcome Comments by Alaska Official
• Company Notes
• Spectacular Specimens Found in Northern Nevada
• Oil Seeps in Arizona
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
