Yes, they can be. I use both myself. But this mill is being funded by a publicly traded company and it looks skeezy as hell. Not professional at all. It sounds like even basic supplies, tools and equipment are not being paid for, hard to operate successfully under those conditions.
$38k to ship those first bags of gravel 1200 miles to the Bishop Mill. Less than 3 oz of gold recovered. Why doesn't that infuriate you?
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