Ask the Experts
February 2015 by Chris Ralph
Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.
I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.
We spent the morning in a meeting with one of the higher-ups at the US Forest Service. I presented him with 412 complaints received from our readers, along with a summary of the complaints to make his job easier.
Rocks and minerals associated with clay seam gold deposits in southern Oregon are often in sedimentary rock units at least partially metamorphosed into argillite. They are also associated with mafic volcanic rocks, basalts and gabbro that...
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
Gold nuggets come in all forms, but I never expected that dinosaur nuggets would too, and at a decent price.
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
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