Historic Mining at Mount Diablo, CA
September 1999 by Richard H. Peterson, PhDLocated in Contra Costa County in the East Bay region of the San Francisco Bay Area, Mount Diablo was the site of the largest coal mining operation in the state in the last half of the nineteenth century. The northern foothills of the mountain produced nearly four million tons of coal.
I decided to focus my attention on some exposed bedrock that was along a little stream only about 100 yards from our cabins. My very first pan full of gravel showed several nice small flakes that were just big enough to be picked up with my fingers. That first pan showed that indeed there was some very nice gold to be had here...
After weeks, months, even years of eager anticipation, the New Millennium has dawned!
One of the most unique mining stories to derive from the days of the Spanish conquest of the Southwest is the legendary story of the Sierra Azul, or “Blue Mountain” of Arizona. The first reports of what some historians maintain is nothing more than mere myth, came in the middle of the seventeenth century, and it survived as a frontier tradition into the nineteenth century.
• Critical minerals a priority
• Montana miners win again
• MSHA backs down
• Environmental groups as foreign agents
The Tombstone Mining District of Arizona was not a major producer of silver in comparison with some districts in other states, but it has had a long and colorful history.
• Celebrities take over hearing, and at least one senator is fed up
• Ruling Upholds EPA's authority to address Garcia River, other waterways polluted by runoff
• US Supreme Court: Sokaogon Chippewa can set water standard
• 1872 Mining Law under attack
• Waiting for a decision about 43CFR 3809
Why, if America’s economic performance is advancing steadily…are two especially sensitive and widely-used commodities performing so poorly?
The Bawl Mill • Over the Divide • Our Readers Say • Feds Eye Restrictions on AZ Archaeological Sites • IMF Reconsidering Gold Sales to Finance Debt • Governors Focus on Aid for Laid-off Miners • Nevada Counties, Towns Get Forest Service Grants • Labor Dept. Approves Aid to Laid-off Nevada Miners • Company Notes • ISEE Celebrates 25 Years • Picks & Pans: Basic Dry Washing Operations in Gold Placer Mining • Washington Miner Wins Poetry Contest • Gold Coin Sales Boosted by Low Prices • The Klamath Mountains • Silver Posts Best Price in 11 Years—Strong Investment Interest and Steady Demand Cited • Platinum—Group Metals • Gold in the Drum Mountains • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back