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Looking Back

Excerpts from CMJ published 50 years ago this month.

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Proper Placer Sample Processing


...your sampling procedures should not be designed to catch gold your mining technique will never recover.

Copper is King in Arizona


After 11 years of delays, the US Department of Interior approved a land exchange that will allow Phelps Dodge to proceed with development of the Dos Pobres/San Juan copper deposits...

China Will Put Rio Tinto Employees on Trial


The Australian government confirmed it was notified that a Shanghai court will try the four Rio employees including an Australian national.

On the fence about subscribing? Want to check out a 3D sample issue?


On the fence about subscribing? Want to check out a 3D sample issue?

Legislative and Regulatory Update


• BLM claim fees rise
• Critical minerals bill
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VLF Detector Operating Modes


It is important to note that discrimination is a type of electronic filtering. The signal is analyzed, and depending on the discrimination setting, identified as either a target to be dug or a target to be ignored.

A Journey Into the Silver Peak Range


The Gold Rush in California called hundreds of thousands of souls to leave their homes to journey to the the far reaches of the West. At first the rich goldfields of the Sierra Nevada beckoned to these adventurous pioneers.

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Legislative and Regulatory Update

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