A loaded Hartley ethanol train gets digging in at MP 79 as they begin the next 1% climbing into Ionia. Mason City Sub is anything but flat, as these 4 units will get a workout all the way to Calmar, IA, MP 42. The 606 came into Mason City the night before on 574 out of Spencer and ran out of Mason City today at 6am. The CSXT unit was picked up at Charles City Valero.