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Picks & Pans: Dredging Costa Rica

My interest in gold mining began with a few friends who, knowing that I was a chemist by trade (never mind that I am a biochemist), interrogated me every day at the gringo coffee shop in San Jose, Costa Rica.

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Underground in the Original 16-1 Mine


These days they employ the use of metal detectors and carefully scan the shattered rocks, hoping to hear that sound we detectorists love to hear.

Over the Divide: John A. Miscovich


Mining “giant” John A. Miscovich died August 22, 2014, at the age of 96. He was the well-known inventor of the “Intelligiant” water cannon.

Endangered Species Act is a Mess


You’ve likely read about some of the problems with the Endangered Species Act (ESA) in the Legislative Update section, and in previous issues of our publication. The problems never seem to end, and it is way past the time for reform. A current story highlights some of these problems.

Ask The Experts


Ore processing in California?

The Significance of Nuggets in Placers


Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.

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The Bawl Mill   • Our Readers Say:   • Placer & Lode Gold Deposits   • Spanish Silver in Arizona   • Hog Mountain Mining, Past and Future   • Gold in Texas   • The Goldhill Mining District   • New Arsenic Study Supports Tougher Standards   • Miners Resume Search for Platinum Near Platinum   • Discoloring Assay Beads   • Tons of Gold Buried Under World Trade Center   • Gold Rush Ship Uncovered in San Francisco   • Mining Stock Quotes and Mineral & Metal Prices   • Melman on Gold & Silver   • The Financial Repercussions of the WTC Tragedy   • Permit Appears Likely for Rock Creek Mine

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