Garrett Electronics - trusted by real miners & prospectors!

Magazine

All Articles

Historic Mining at Mount Diablo, CA

Located 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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Tips and Tricks: Preparing Your Dredge Engine for Storage


From this I inferred that engine 2 had a carburetor problem. In this article, I discuss the specific engine/carburetor problem, and the surprising solution to this problem.

California: The Land of Big Nuggets—Part II


There are a number of Tertiary river channels in the area, most of which trend south-southwest. They tend to be steep, narrow, and rich with coarse gold.

Hard Rock and Placer Gold of Manhattan, Nevada


He found 5 to 7 feet of gravel containing half an ounce per yard. This started a rush of placer activity and several other shafts were sunk, with some large multi-ounce nuggets being found.

Never Take Safety for Granted


In retrospect, I can now see that the thoughtless breaking of one of my safety rules regarding not dredging alone was to be a lesson I won’t soon forget.

Mining Stock Quotes and Mineral & Metal Prices


Ask the Experts


• Is the Spenceville Wildlife area open to prospecting?

The Bawl Mill


• Hotline turns up the heat
• Mad Men arrested for living up to their name

Subscription Required:
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

Free:
Legislative Update

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue