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Oil Seeps in Northern California
July 2001 by Edgar B. Heylmun, PhD
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.Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
Evaluating Gold Recovery with Mass Balance Calculations
Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.
A Profitable Approach—Financing Mineral Exploration With Oil & Gas Projects
Not too many years ago, junior mining companies most frequently limited their activities to exploring and pre-developing their mining properties.
Maine to Create Mineral Park
The Maine Geological Survey is raising money to acquire a cluster of world-famous mines and create the state’s first public mineral park for rockhounds, science teachers and others with an interest in rocks and minerals.
Mining: Doing it Right the First Time
Governor Frank Murkowski’s blueprint for a prosperous Alaska has a solid foundation of resource, energy and economic development and “doing it right the first time.” Hiring Alaskans is our number one priority because every good job also means good schools and communities for Alaska families.
Sunset Sunbaker
He began hiking my way and was as astonished as I was when he saw it. Another high five moment! It makes you wonder how long this gold had just been sitting there on the ground.
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