All Articles
Oil Seeps in Northern California
July 2001 by Edgar B. Heylmun, PhD
Indians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Discovery of the Silver Bullets
In 1926, Carl W. Chilson wrote the authentic history of his family and the discovery of the legendary Apache Mine of the Silver Bullets. The story starts out in 1868 when Steve L. Chilson leaves Bandera, Texas, with his family en route...
Gold Prospecting for Better or Worse: All Work and No Pay
At first we decided to see what the flat by our camp would produce where the old-timers had worked it with their Pelton wheel and dragline buckets.
Mining Stock Quotes and Mineral & Metal Prices
Company Notes
• Pan American Silver Corp.
• Mountain Province Mining Inc.
• Canyon Resources Corp.
Ask the Experts
Q: Can a voltmeter be used to determine the type of metal/mineral present in soil?
Think You Got It All? Guess Again!
May 2016Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.
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The Bawl Mill
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• The Stonewall Jackson Mine, San Diego County, California
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• Melman on Gold & Silver
