The Tangential Impulse Water Wheel in California Gold Mining History—Part II
March 2004 by Guest WriterEven 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.
Over the last several months, starting from before I left for Australia, I’ve been working on getting all the 2011 paperwork done for my mining claims. I will admit that some parts of the paperwork I let go until only a week or two before the due date.
One of the most frequently quoted sayings on Wall Street is that “markets love to climb a wall of worry.” We’re not so sure about the “climbing” part of it...
During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.
The Colorado River Indian Tribes wish to be given 16,000 acres in La Paz County, Arizona, that was at one time theirs...
Revett Silver Company, formerly Sterling Mining Company, hopes to reopen a dormant copper and silver mine near Troy, Montana, in the next six months because higher copper prices have made the operation practical, an executive said.
Q: I believe I have found a deposit that contains iridium. What can you tell me about iridium? Are there any tests I can do in the field to confirm it is iridium? How much is iridium worth? Where can I get it assayed? Can I refine it myself?
The Bawl Mill • Our Readers Say • Fair and Balanced? If You Have the Cash • Pocket Gold in Gneiss • Australian Prospector Detects 150-Ounce Nugget • Picks & Pans: Dredging After The Flood • Mining Industry Enthusiastic About Prospects • Looking For Gold in All The Right Places • Fraser Institute Ranks Best Regions for Mining Investment • Ask the Experts: Recommended Reading—Part II • Red Lake, Ontario • Company Notes • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices