The drywasher is a common desert mining tool for gold mining. The drywasher is like a highbanker since it uses a motor and a form of sluice however it lacks the need for water. A drywasher operates by the use of air. By forcing air to flow up through the material as it moves down the sluice the heavier materials, like gold, will stay at the bottom...
Found on
http://en.wikipedia.org/wiki/Drywasher
A common desert mining tool similar to a highbanker but doesn't need water. It operates by the use of wind. The light junk material is blown off the top of the sluice in the drywasher and the gold stays on the bottom.
Found on
http://www.legendsofamerica.com/
No exact match found.
