Professional Equipment for Serious Detectorists!

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...

The Bawl Mill


• House members "earn" another raise
• Not the sharpest knife in the drawer...I mean...clerk in the store
• That's 8.49 million first-class postage stamps

Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains


Down, down, down I plummeted into the narrow granite chute. In a matter of a few seconds, I envisioned myself lying crumpled in a field of mammoth, sharp, jagged granite rocks. In those few seconds, my thoughts also imagined my life ebbing...

The Search Continues


The Wyoming State Geological Survey continues research on diamonds in the Laramie Mountains northeast of the UW campus.

Legislative and Regulatory Update


• More “bull” from Fish & Wildlife
• Global Warming is cooling off

PLP Members Win Occupancy Case—Appeals Continue


Public Lands for the People (PLP) members Ron Lex and his mining partner Ken Waggener of Etna, California, were cited for occupying their mining claim in Klamath National Forest for more than 14 days. The section cited was Code of Federal Regulations (CFR) 261.10(b). This CFR states that a special use authorization must be obtained for occupying a claim on National Forest land for more than 14 days. In some forests the time is 30 days.

Ask the Experts


Q: A few questions about diamonds...

Melman on Gold & Silver


Last month saw a veritable mountain of good economic news come pouring out of government and industry. Industrial production was up; GDP rose strongly; unemployment rates came down; profits were up; consumer confidence readings rose; etc., etc., etc. And yet, strangely enough, the financial markets produced only a “molehill” of results.

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