Pacific Railroad. Map showing the different routes surveyed for the Union Pacific Rail Road between the Missouri River and the Platte Valley, to accompany report of Lt. Col. J.H. Simpson, Corps Engrs. to Hon. Jas. Harlan, Sec. of the Interior, dated Sept. 18th, 1865; reduced from map submitted to Lt. Col. Simpson by S. Seymour, Esq., Consulting Eng. U.P.R.R. Detailed map of Nebraska showing relief by hachures, drainage, vegetation, roads, and railroads. Gillis, J. R.