Age is circa 1970 - probably from last year of Union Pacific's last year of passenger train service.
Union Pacific Railroad Annual & Finance Reports - Lot of 5 plus profile Booklet
Union Pacific Railroad - Amtrak - Centennial Menu - Lot 5 different - City of LA
Railroad Union Pacific Railroad 1969 Centennial Menu City of Portland Domeliner
(5) Original Union Pacific Railroad Company Promo Photograph Lot & Envelope
Union Pacific General & Safety Rules Booklet Lot of 6, 2012, 2015, 2016
Union Pacific Railroad Menu 1969 Centennial City of Portland Domeliner Original