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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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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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