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The Klamath Mountains
September 1999 by Edgar B. Heylmun, PhD
Over 7 million ounces of gold have been produced in the Klamath Mountains of northwestern California, 64% of which has been from placers.
Legislative and Regulatory Update
• Resolution Copper project moves closer to fruition in Arizona
The Bawl Mill
• By the numbers
• Apparently Americans deserve more of the same...
Over the Divide
Lynn Gunn
June 18, 1955 — August 3, 1999
Volume is the Key to Success
While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.
The Wild Rush to Find More Cobalt—Part I
While some future cobalt will come from recycling lithium batteries and other products, the coming huge need for cobalt is virtually a perfect storm of heavy demand and insufficient supply.
Miners Clean Washington Rivers and Streams
The Washington Department of Health has issued several warnings about mercury contamination in fish and shellfish. The small-scale mining community is the only group that is actively removing mercury and lead from the waterways of the State of Washington using the only economically feasible method available—with suction dredges and other small-scale mining equipment.
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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
• Silver Posts Best Price in 11 Years—Strong Investment Interest and Steady Demand Cited
• Platinum—Group Metals
• Historic Mining at Mount Diablo, CA
• Gold in the Drum Mountains
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
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