All Articles
Cal-Gold Closes Shop After 30 Years
September 2007 by Staff
“It is with great sadness that after more than 30 years in business in Pasedena, Cal-Gold will close its doors,”The Tangential Impulse Water Wheel in California Gold Mining History—Part II
Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
How to Recognize Hard Rock Gold Ores
I regularly get inquiries along the line of: “Hey, I found this rock, and I think it might be gold ore. How can I tell?” Prospectors are always on the lookout for gold-bearing rocks that may be the source of any nearby placer gold.
Legislative and Regulatory Update
• State officials rip EPA plan for Coeur d'Alene Basin
• Judge keeps parts of suit over cyanide ban alive
• Change in arsenic standard will be felt in rural areas
Melman on Gold & Silver
...we are witnessing the onset of a major transformation of the underlying economic/political structure, perhaps headed toward government controls beyond any previous American experience.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
A Break in the Weather
Back at the entry point of the mine, we took turns slowly crawling down the slope leading into the mine portal with our metal detectors, hard hats and flashlights. The mine was hand dug and is about 75 yards long.
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The Bawl Mill
• Ask the Experts
• Mining Gold at 16,000 Feet
• Locating a New Nugget Patch
• Journeys in the Kingman Quadrangle—Part II
• The American Hill Mine
• In Pursuit of Gold & Silver in the Sierra Madres—The Plan
• The Hardrock Mining and Reclamation Act of 2007
• Prison Time Handed Out for Gold and Silver Thefts
• Northern Dynasty Chooses Partner for Pebble
• Melman on Gold & Silver
• Looking Back
• Mining Stock Quotes, Mineral & Metal Prices
