All Articles
Prospecting With a Magnetometer
December 1999 by Edgar B. Heylmun, PhD
Swedes were the first to note variations in the Earth's magnetic field, circa 1640, and they were the first to use the dip needle. They made the first magnetometer in 1870.
Company Notes
• Great Basin Gold
• Hecla Mining Company
• Newmont Mining Corp.
• U.S. Gold Corp.
• X-Cal Resources Ltd.
• Pan American Silver Corp.
• Corner Bay Silver Inc.
Greaterville, Arizona
One of the best-known placer gold localities in southern Arizona is at Greaterville, 45 miles, by road, southeast of downtown Tucson. The site of mile-high Greaterville is in grasslands and oak woodlands, on the east flank of the Santa Rita Mountains.
Lost Sally's Gold
She said a few thoughts did cross her mind at the time; she thought maybe she should have looked more thoroughly for that hand-drawn map to the claim that we had given her the previous year.
Melman on Gold & Silver
It seems like we cannot get away from the major themes as each month we continue to receive important news on the same general categories such as housing, global warming, Iran, weakness in the US Dollar, etc. Unfortunately, if variety happens to be your cup of tea, the same categories have dominated the news once again.
The Disappearance of State Mining Departments
Unfortunately, mining is politically unpopular and support of the mining industry, no matter how many jobs it brings to a state, even in times of difficult financial need, is never popular among politicians of any stripe.
Reading A River: Finding The Paystreaks—Part I
How to read a river to find gold: The exact point where you choose to dig for gold makes a big difference because the placer gold deposits formed in rivers and streams are anything but uniform—some parts are rich in gold...
Legislative and Regulatory Update
• "Not a pollutant"
• Thank you Senator Sessions
• California suction dredging
• EPA uses secret email accounts
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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
• 1999 Tables of Content
• Lighting the Way Underground 1860-1940s
• Millie's Tailings
• Picks & Pans: Crevicing & Sniping for Placer Gold
• Looking Back
• Gold in Sonora
• 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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