Ask the Experts: Do "corners" need to be in place on the ground for a claim to be valid?
March 2012 by Chris RalphQ: Do "corners" need to be in place on the ground for a claim to be valid?
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
Q: What can be done with scheelite? Why does the ICMJ never list tungsten in the metals prices?
Q: ...where would you recommend selling class rings and other scrap gold?
• Determining the amount of gold in a specimen
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