On December 3, 1990, Chicago and North Western’s PRGBA (Proviso Yard to Green Bay freight) has finished making a setout at Butler Yard. Snow is coming down hard, and is starting to cover the rails. An eastbound (southbound) military extra with a GP40 on the point has come to a stop at the reversed switch on the crossover. The crew of yard engine GP7 No. 4105 has also come over to help the crew of PRGBA clean out the switch. Soon, both trains will be on there way, and the switcher will go back to work shuffling cars in the yard. In the middle of a Wisconsin blizzard, railroading doesn’t stop for the weather.