Scope and Contents This collection contains two carte-de-visites taken at Promontory Point, Utah during the Joining of the Rails ceremony which linked the Union Pacific and Central Pacific railroads to form the first transcontinental railroad in the United States on 10 May 1869. On the back of the carte-de-visites is written "Point of Junction of U.P. & C.P.R.R. [Union Pacific & Central Pacific Rail Roads]. Getting ready to lay the last rail" and "Driving last spike U.P. & C.P.R.R.R.s. Promontory...