WINONA, Minn. – Employees at Schneider Heating and Air Conditioning discovered another theft of copper, again overnight. Police began a routine check of scrapyards, including Red Box and Miller Scrap, for anyone unloading stolen copper. The theft was reported about 10:45 a.m. from the oft-hit Schneider’s facility at 101 Harvester Street near the Union Pacific railyard. Copper currently goes for $3.65 a pound tops on the black market.