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

Care and Lubrication of a Model 13 Laboratory Wilfley Table

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

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

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
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• Ask The Experts - Can an Ohm meter find gold in pyrite?
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