Map of the lands granted to the State of Missouri by Act of Congress June 10, 1852, and by Act of the Missouri Legislature December 25, 1852 to the Pacific Railroad Company to aid in the construction of a railroad from St. Louis to the Western Boundary of the State, South of the Osage river said road known as the Soutwestern Branch of the Pacific Railroad. Map accompanying the 1856 Sixth Annual
1874 report detailing the problems and opportunities presented by the Mill Creek Valley railroad corridor through the city of St. Louis. As that corridor divided the city, various recommendations were discussed to construct bridges over it.