Attention! Downloadable PDF Plans for a Backpack Sluice Prospecting for Gold

Make a  backpack sluice from things laying around. Use a seat belt for a shoulder strap. Use used carpet or a remnant as "prospectors moss".
I plan to make one of these. There is nothing like a convenient size and weight when trekking into gold area. You can also click on the five steps to construction.
This is a wonderful job and wonderful idea. Panning is fine, but using a sluice lets you process a LOT more material.
http://www.instructables.com/id/Gold-Prospecting-Backpack-sluice-from-found-mate/