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Gold in Sonora
December 1999 by Edgar B. Heylmun, PhD
The state of Sonora, slightly smaller in area than Utah, lies in-northwestern Mexico, adjoining Arizona to the south. It is characterized, on the east, by a high volcanic plateau, the Sierra Madre Occidental, which forms its boundary with Chihuahua.Legislative and Regulatory Update
- Reminder: Annual claim fees due September 1, 2017
- Update on California suction gold dredging
Detecting for Gold in Australia
When I got back to my patch, every signal was a nugget, and I was burning up with the gold fever.
Prospecting for Meteorites with a Metal Detector
The following article has been written with a two-fold purpose; first, to help familiarize anyone interested in “meteorite shooting,” and second, to stress the importance of scientific research.
Sutro Tunnel a Big Draw
The population of Sutro almost reached the same number this weekend as it did during its short-lived heyday. About 600 visitors explored the site where Adolf Sutro envisioned a bustling city.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Gemstones in Wyoming—Part I
Gemstones are timeless treasures of beauty. The extraordinary and satiated colors of many gemstones enhance their aesthetic beauty. Gems have been sought for personal adornment since the beginning of time and such minerals...
The Bawl Mill
• A breath of fresh air?
• Ay Carumba!
• Principal pours it on a little too thick...
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The Bawl Mill
• Over the Divide
• Our Readers Say
• Desert Phone Trashed
• ICMJ Elected Prospecting Magazine of 1999
• Advertising Manager Leaving ICMJ
• Guest Editorial—California "Special" Dredge Permits in Jeopardy
• The Search Continues
• Guest Editorial: U.S. Government—Like Nobody's Business
• Circulation and Collections Manager Leaving ICMJ
• Company Notes
• House Chair Requests Records on Forest Decision
• BLM Wants to Withdraw South Pass Public Land
• Silverton Preserving Lofty Symbol of Mining Era
• Hijackers Make Off With 660 Pounds of Gold
• Prospecting With a Magnetometer
• 1999 Tables of Content
• Lighting the Way Underground 1860-1940s
• Millie's Tailings
• Picks & Pans: Crevicing & Sniping for Placer Gold
• Looking Back
• Forest Service Boss Quits in Bull Trout Flap
• Melman on Gold & Silver
• European Gold Miners Seek Clarification Letter
• Mining Stock Quotes and Mineral & Metal Prices
• Squeezing Diamond Into Graphite
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