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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.Placer Mining in Canada's Yukon Territory
Frank Taylor’s family has been mining in the same area of the Yukon Territory since 1935. He’s been working his current placer operation on Duncan Creek near Mayo since 1975.
Ask the Experts
Sampling and mining a historic mining claim
Melman on Gold & Silver
Well, the year 2013 is now underway and we have surely entered the “Brave New World” that has followed the election of 2012. From my personal point of view, and I might add, unfortunately, this year and the ones following are beginning to appear that they will turn out to be quite similar to the preceding period.
The History of Gold Mining in Sierra County
There may be some truth to some of the fantastic claims. The Ruby Drift Mine near Forest City is where 159 nuggets were taken out between 1937 and 1942—a total of about 1,000 ounces with an estimated value of $1.5 million when gold was...
Ask The Experts
• Determining the amount of gold in a specimen
Legislative and Regulatory Update
• WOTUS definition is changing again
• BLM HQ on the move again
The Bawl Mill
• Disappointed supporter has the ultimate last word on the matter...
• You should have seen the millions that got away...
• So much for sacrifice...
• Top Democrats will have to find new finance chairman
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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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