Cycle Oregon bicycles weren't the only wheeled modes of transportation in evidence in and near Wallowa County last weekend. Several dozen Corvette owners stayed in Joseph to sightsee. Above, three of the muscle cars are parked in the Main?Street shopping district. At right, Union Pacific steam locomotive 844 sped with its train through Union County on the way to a three-day visit to the 100th Pendleton?Round-Up this week. The belching behemoth stopped briefly for servicing in La Grande and attracted more than 100 curious onlookers including scores of children.