A narrow gauge underground electric train included Car #1, a 1920 electric locomotive with four motors that weighed ten tons and had a speed of 6.6 MPH; a wooden boom connected it to the overhead power line for direct current, and the driver stood on the rear of the car. Car #2 was a mucking machine with a rocker shovel operated by a miner standing on the running board. Car #3 was a jumbo drilling car used for drilling holes for dynamite. Car #4 was a pneumatic mucking machine that scooped up ore and dumped it in the car behind. Car #5 was a rocker arm ore car dumped by hand. Car #6 was a side dump ore car. Car #7 was a hand material car used to move lumber or lagging in the mine. Car #8 was a wooden ore car.