Description: This WF2 system, consisting of a small intake dam, an inflow settling pond, a flushing vertical flow pond, a flushing settling pond and a wetland, treats a small stream flowing from the Ferris Wheel surface mine. The inflow is the same stream previously sampled as 32R4. Inflow averages about 75 gpm with acidity 105 mg/L, Fe 6 mg/L, Mn 5 mg/L and Al 14 mg/L at pH 3.7.