Let us help you recover valuable metals. 888-437-1187

Magazine

All Articles

Oil Seeps in Northern California

Indians used asphalt from oil seeps in California for caulking boats and other objects long before the white man arrived. Spaniards noted seeps as early as 1542, and the Portola expedition in 1769 used oil for wagon axles and as a fuel. Spaniards also used crude stills for obtaining lamp oil for use in the missions.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

Wake Up Voters! Oregon SB 838 Study Group Update


They want to close our roads on public land (built by taxpayer funds) to keep us and our disabled veterans out. And it won’t stop with just mining.

Mining Stock Quotes and Mineral & Metal Prices


USFS Roadless Comments Reopened


On July 6, 2001, US Forest Service (USFS) Chief Dale Bosworth announced that the roadless rule would be revisited by publishing the following information in the Federal Register. -Ed

"Gold" Coin Debuts


For the first time, the Sacagawea Golden Dollar changed hands, intermingling with scuffed quarters and nickels, setting itself apart with its golden hue.

Colorado Mining Association Appeals Roadless Ruling


The Colorado Mining Association is asking the US Supreme Court to review a 2001 rule that largely barred new roads on 58 million acres of roadless areas in national forests.

Ask the Experts


Q: A few questions about diamonds...

Highbanking for Gold


Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.

Subscription Required:
The Bawl Mill   • Our Readers Say   • Global Warming—The Press Gets it Wrong, Our Report Doesn't Support the Kyoto Treaty   • Former Sunshine Miners Find Work in Montana   • CMA Conference Summary   • Uranium Deposits   • Washington Gold & Fish Update   • Prospecting for Diamonds: Is It a Diamond or Crystal Quartz?   • Basic Information About Gold Detectors   • Diamond Dealer Prevails in Congo   • Company Notes   • Picks & Pans: The Gold Bullion Mine   • Arizona's Border Silver Camps   • The Stonewall Jackson Mine, San Diego County, California   • Proposal Submitted for Lab at Homestake   • Mining Stock Quotes and Mineral & Metal Prices   • Melman on Gold & Silver

Free:
Legislative and Regulatory 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