All Articles
Guest Editorial—Unreasonable Interpretations
June 2000 by Guest Writer
Throughout the colorful history of mining, reviews of old documents and stories have led to new mineral discoveries.Yukon Placer Miners Fighting Extreme Discharge Limits
Hold up a glass of tap water and take a look at it. It’s about as clear as the new Yukon water regulations require the water returning to rivers to be after being used by placer miners. The new limit of 25 parts per million (ppm) sediment does not leave a lot of maneuvering room in terms of discharge.
Cerro Colorado Silver, Arizona
It was the first mine developed by Americans in the Cadsden Purchase of 1853. A number of small near-surface mines had been operated by Spaniards and Mexicans in the region prior to the arrival of Americans, going back as far as 1740.
The Bawl Mill
• Reporting on Reports
• Answer the questions or we'll be forced to really bother you for a little while
• Some especially well-preserved mobile homes...
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Tips for Cleaning Gold Nuggets
I pulled out the nuggets I had worked on previously and looked at the size of the wire basket that the items to be cleaned are placed into. It looks much like a miniature french fry deep fryer.
Using A Trommel For Placer Processing
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
Mining Stock Quotes and Mineral & Metal Prices
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The Bawl Mill
• Our Readers Say
• Ruling Awards Giant Nugget to Finder
• Letter to the Editor
• Traditional Adversaries Reach Agreement
• The Gold Belts of Georgia
• Company Notes
• Placer Testing with Large Samples
• Gondwana Gold Gravels
• Quick Thinking & Rescue Devices Save Two Lives
• Picks & Pans: The Discovery Gulch Diggings
• Prospector Finds Cache of Emeralds in North Carolina
• My Old Carbide Lamp
• Melman on Gold & Silver
• Hands & Pans on the South Yuba River
• Permafrost Tunnel Shows Cross-sections of Past
• Mining Stock Quotes and Mineral & Metal Prices
