Duluth & Iron Range Railroad Locomotive #46 (built in 1888) with log train at Endion Depot.

Looking east from the Robert Street bridge at a Milwaukee Road freight train behind double-headed steam locomotives passing the St. Paul Union Depot, 1952. Photograph by the St. Paul Dispatch and Pioneer Press.

Railway Mail Service clerks load mail bags onto a Great Northern Railway Post Office car at the St. Paul Union Depot, 1949. Photograph by the St. Paul Dispatch and Pioneer Press.

Passengers purchase train tickets at the St. Paul Union Depot, 1949. Photograph by the St. Paul Dispatch and Pioneer Press.

Passengers waiting to board a train in the concourse of the St. Paul Union Depot, 1949. Photograph by the St. Paul Dispatch and Pioneer Press.

Main Concourse, Union Depot, 214 East Fourth, St. Paul, 1948.

St. Paul Union Depot Construction, 1919.

Steamboat Landing and River, St. Paul, 1898. The old Union Depot is pictured in the left background.

The Old Union Depot, St. Paul, c.1890.