Detecting at Old Hydraulic Mines
July 2006 by Chris RalphI finally got out recently for my first full, long weekend prospecting trip of the year. Normally I would have been out much sooner, but we had a real late spring in the Sierra Nevada this year with lots of late rain and snow continuing through all...
Then it occurred to me that the drywasher was designed by an engineer. Gotta love engineers! Those slide-rule geeks always tinker with gravity, angles, curves and flow.
Rather than using the practice of government seizure of private property to promote economic development, the county is using it to preserve open space.
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Geologists have long realized that the vast majority of gold in typical quartz veins is in the tiny, dust-size range, a lot smaller than the gold nuggets found by placer miners. This is common worldwide in many, many gold districts.
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