Apr 01, 2017 · The output was 400 tons per day on two shifts, 300 tons of which came from three or four loading chutes. The maximum haul was 750 feet and the average 500 feet. Although the track was good and the grade favorable, 8 men on each of two shifts, 16 in all, using 1-ton cars, were required to load, tram, and dump the ore, thus averaging 25 tons per man-shift.