how to size a sluice box2 jul 2018 . how much sluicing area? how wide, how long should the sluice be? . long tom. a long tom is actually a variety of a sluice. it differs in that it.
long tom sluice12 apr 2018 . the long tom is a small sluice that uses less water than a regular sluice. it consists of a sloping trough 12 feet long, 15 to 20 inches wide at the.