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Small Mining Operations

A New Method for Handling Stubborn Gravity Middlings

The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.

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Tips for Cleaning Gold Nuggets


I pulled out the nuggets I had worked on previously and looked at the size of the wire basket that the items to be cleaned are placed into. It looks much like a miniature french fry deep fryer.

Moving The Big Rocks


The anticipation of finding out if the system of snatch blocks, shackles, chokers, anchor points, and the strap binding the massive slab of rock in the bottom of the river would even budge an inch was weighing on me. 

Proper Spacing of Placer Sample Sites


The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.

Extracting & Smelting Your Gold


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Reminder: Annual Claim Filings Due


Please note that new mining claims filed on or after September 1, 2019, will be subject to the new fee schedule.

The Subsurface Suction Dredge


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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.

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