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Gold in Texas
October 2001 by Edgar B. Heylmun, PhD
There are numerous legends involving “lost” Spanish mines and treasures in central Texas, some of which have actually been found. The most famous mine, which remains lost, is the San Saba.
The Business of Mining: Cars, Trucks and Tax Deductions
Most importantly, self-employed miners, prospectors or employees (even of their own mining-related business) who own or lease an automobile, can utilize the standard rate so long as they operate only one car at a time for business purposes.
Which Specific Gravity Test Works Best?
Have you ever wondered how accurate specific gravity tests are in determining the amount of gold in a specimen?
An Interview with Minelab Engineer Mark Lawrie
The design of metal detectors well-suited for prospecting is an interesting process and not necessarily an easy one to achieve. It is a combination that blends the desires of what prospectors would like, the requirements of sales people and dealers, with the science and physics of what the electronics can achieve.
The Golden Highway—Placer County
Leaving El Dorado County and crossing the middle fork of the American River, the next county along Highway 49, the “Golden Highway,” is Placer County. The county also owes its name to the mining heritage of the gold rush.
Judge Tosses Lawsuit Against Tucson-Area Mine
A federal judge has tossed a lawsuit filed by opponents of a Tucson-area mine that had accused the US Forest Service of violating two federal laws in its handling of the mine issue.
Benches and Fossil Placers
Unfortunately for us mortal humans, we have a poor perspective on geologic time. When we look at a landscape such as a stream valley, we see it only in two, or at the most, three dimensions. We have poor comprehension of the valley’s fourth and most important dimension—time.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
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• Our Readers Say:
• Placer & Lode Gold Deposits
• Spanish Silver in Arizona
• Hog Mountain Mining, Past and Future
• Picks & Pans: Dredging Costa Rica
• The Goldhill Mining District
• New Arsenic Study Supports Tougher Standards
• Miners Resume Search for Platinum Near Platinum
• Discoloring Assay Beads
• Tons of Gold Buried Under World Trade Center
• Gold Rush Ship Uncovered in San Francisco
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
• The Financial Repercussions of the WTC Tragedy
• Permit Appears Likely for Rock Creek Mine
