Small Mining Operations
Simple Mine Surveying With Basic Hand Tools
April 2021 by Keith Bowen
…there is an easy way to create a reasonably accurate map without any fancy instruments.
Customizing Your Dredge
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
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.
How to Refine Silver—Pt I
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
The Dredge Report
As a plaintiff in one of the lawsuits, I’m not allowed to talk about specifics in the court-ordered negotiations currently underway in San Bernardino. However, I do want to let you know we are making progress…
Long-Term Camping Plan at Fortymile Proposed by BLM
A draft environmental assessment of a proposal to allow long-term camping by gold miners along 21 miles of the North Fork of the Fortymile Wild and Scenic River is available from the Bureau of Land Management.
What To Look For—And Look Out For—In A Placer Mineral Report
Buying a placer claim or investing in a placer mining property comes with plenty of financial risks. You need as much information as possible about the mineral deposit in order to minimize those risks.
Simple Mine Surveying With Basic Hand Tools
…there is an easy way to create a reasonably accurate map without any fancy instruments.
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The Bawl Mill
• Ask The Experts - What is the “blue lead?”
• Ask The Experts - Can an Ohm meter find gold in pyrite?
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• The 10-Ton Boulder: Expanding Grout Demolition
• How Deep Can That Detector Go?
• Dredging Do's and Don'ts
• Emails Confirm--FBI Was Looking for Gold at Pennsylvania Dig Site
• Gold Prospecting for Better or Worse: Tuck and Roll
• Preparing For The 2021 Mining Season
• Drywashing for Desert Gold—Part III
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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