This is interesting. I haven't tried building one, and don't know if you could use it to pump into a bucket for hand dredging, but the instructions are good. The author claims he can do it for less than $20 by using a bicycle pump.
http://www.instructables.com/id/make-a-manual-vacuum-pump-for-under-$20-by-convert/
Pioneer Bounty: $40,000 in Gold Coins Near Point of Rocks, New Mexico
The Santa Fe Trail was a transportation route opened by the Indigenous people of North America as well as European trappers and traders in t...
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I envisioned this as a way to wash more material faster than panning. I got this far and had to quit. I am hoping that the concept will spa... -
Try reading my latest article on the Blue Bowl Concentrator. This device is judged by many as the best separator of fine gold. Fine gold co... -
Here is a page where you can directly download great pdfs of plans for building your own gold prospecting equipment. Included are: backpac...
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