Set up a line of long wooden troughs, Line the bottom of the troughs with mats, Add wooden cross pieces to hold down the mats, Shovel dirt and sand into the upper end of the sluice, Starting at the upper end, pour water into the sluice, Allow the water to carry the sand and dirt down the sluice, Once a day, turn off the water, Take out the riffles and mats, Collect the gold that got trapped in the riffles.

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