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.
The Greenhorn
I wanted to become part of the romance of Colorado—to become part of the romance of mining in those majestic mountains. The path ahead of me was much rougher than I anticipated.
Our Readers Say
In response to "Fake Assays and Assayers", ICMJ September 2000...
Moving the World's Largest Machine—The Bucyrus 2570W Walking Dragline
This project began in early August 2002, when approximately 12 major project forwarders were invited to bid on moving a Bucyrus Model 2570W Walking Dragline from the US to Australia.
Monetary Freedom and Accountability Act
U.S. Representative Ron Paul, a Republican from Texas, introduced legislation designed to curb the ability of the president and the treasury secretary to manipulate gold prices.
Gold Placers of Nevada
October 2022California State and US National Panning Championships
Over 200 panners competed in this two-day event to decide who was the best of the best.
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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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