Union Pacific's General Electric U50s generated 5000-hp, were the frist big double engined units to arrive in October 1963. Units 48 and 41 powers a long westbound freight up Sherman Hill, Wyoming... (more)

An eastbound Rio Grande through freight retrieves a Union Pacific SD45 at Provo Yard. The UP 48 was assigned to work the Sunnyside-Kaiser unit coal train pool out of Helper. Dig that nifty Norfolk... (more)