2012-4-15 · It is simply a short sluice with a bottom of one by 12 inch lumber, with 6-inch-high sides and a 1 to 1-1/2 inch end piece. To catch gold, the bottom of the box is covered with burlap, canvas, carpet, Astro-Turf, spaghetti mat or other suitable materials. The box is set with the feed end about waist high and the discharge end 6 to 12 inches lower.
