Hi, Here's a video where my friend and I were working a large protruding bedrock boulder which had the equivalent of a gravel bank behind it. We spent 4 days working behind the boulder, making a dam so that the water level would drop and help stop the hole filling back in during the evenings...
Hi, here's a quick video showing a 4" manual gold dredge my friend made following the same principal of the instructional video I uploaded showing how to make the 4" manual gold dredge. As you can see, he's filling a classifier full of material in just 3 draws on the 4" which would take 6-10...