UNION PACIFIC PROTOTYPE LOCOMOTIVE PHOTOS - VOL 36/Ehernberger
Volume 36 features UP 4-6-6-4 Challenger locomotives 3930-3949 (1944 series) and UP 3950-3969 (1942 series). Book displays one photo per page plus photo and locomotive data. List price $24.95, softcover, b&w photos, 80 pages. SKU: BUP36. Posted 7-25-09.
