After Promontory: One Hundred and Fifty Years of Transcontinental RailroadingEbookAfter Promontory: One Hundred and Fifty Years of Transcontinental RailroadingbyThe Center for Railroad Photography & ArtRating: 5 out of 5 stars5/5Save After Promontory: One Hundred and Fifty Years of Transcontinental Railroading for later