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Gold in Oregon
May 2002 by Edgar B. Heylmun, PhD
At least 6 million ounces of gold have been produced in Oregon since 1859. Since there are no accurate records of production prior to 1904, it is obvious that total gold production was considerably higher than that which has been recorded.Care and Lubrication of a Model 13 Laboratory Wilfley Table
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples.
Elizabethtown: Uncovering a Buried California Mining Community
Although there are many mining ghost towns in California, it is rare to find the ruins of one that was abandoned 140 years ago and then subsequently buried by hydraulic mining debris.
What Is Your Grade?
After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?
Gold Prospecting for Better or Worse: Dum-Dum Dodges a Boom-Boom
He could tell that the top part just slid partway down over the bottom half. So, he tried to twist it apart with his hands. No go!
Silver City Prospecting Adventures
I got to Silver City late on a Friday night (OK, it was 2:30am Saturday morning), and the first few snowflakes began to fall as I pulled into the campsite.
The Bawl Mill
This missive is making the rounds on the Internet. Author unknown, but must be a miner, builder, or lumber worker...
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The Bawl Mill
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