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Picks & Pans: An Exciting Hobby
January 2001 by Charles L. Butler
The year was 1946, the war was over, and we three brothers were working for Douglas Aircraft, in Santa Monica, California. Jim and I had returned to jobs we held before entering the Navy and George was a “new hire,” having just finished a four-year hitch as a Navy Flight Crewman.Additional articles that might interest you...
Prospecting With a Magnetometer
December 1999
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.
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.
Using A Trommel For Placer Processing
April 2010
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.
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.
Simple Sluice Design
October 2002
One of the first pieces of prospecting equipment I acquired was a really nice little aluminum backpack sluice. I’ve used it for some time now and have always been impressed with how well it works for keeping the fine wire gold. But ever since I got on the Internet and started looking around for prospecting stuff, I have been toying with the idea of making a flexible conduit sluice.
One of the first pieces of prospecting equipment I acquired was a really nice little aluminum backpack sluice. I’ve used it for some time now and have always been impressed with how well it works for keeping the fine wire gold. But ever since I got on the Internet and started looking around for prospecting stuff, I have been toying with the idea of making a flexible conduit sluice.
Steven's Trail and the North Fork of the American
April 2009
What were we doing going down a 4.5 mile trail to a cold river where there was no guarantee of anything except some ice and maybe cold hands and feet? First it seemed our winter was going to be a drought, and then all that reversed.
What were we doing going down a 4.5 mile trail to a cold river where there was no guarantee of anything except some ice and maybe cold hands and feet? First it seemed our winter was going to be a drought, and then all that reversed.
Legislative And Regulatory Update
November 2011
• Republican bill would reopen Grand Canyon withdrawal
• Obama recommends additional fees and taxes on miners
• Republican bill would reopen Grand Canyon withdrawal
• Obama recommends additional fees and taxes on miners
Melman on Gold & Silver
April 2006
Last month we witnessed numerous news items that appear to confirm a new, and perhaps ominous, trend in America’s relationships with the rest of the world. We are referring to a visible increase in America’s vulnerability to foreign actions.
Last month we witnessed numerous news items that appear to confirm a new, and perhaps ominous, trend in America’s relationships with the rest of the world. We are referring to a visible increase in America’s vulnerability to foreign actions.
Tucson Mountain Chaos
January 2005
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
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