HITTERDAL, Minn. — Inside one of several sheds at the Larry and Regina Jacobson farm near Hitterdal in western Minnesota's Clay County are dozens of gas and diesel relics parked so close together you ...

Alan Taggart still hears the ghosts of Detroit engines that beat the air to death between a roar and a scream on his farmland, powering eight tractors at the vanguard of the four-wheel drive era.