This map shows is a modern map that shows the relationship of Union Station to the old district of Swampoodle, as well as, some of the large landmarks that were also there at the time of Union Stations beginnings. See map here
This is a real estate map that shows the plans for Union Depot etched over the existing developments, which at the time were houses and store fronts in the district of Swampoodle. Plans for Union Depot would cut the district in half.
This is a map that shows the new and functioning Union Depot in the map. This is the updated version to the one for 1903 where Union Depot was just sketched into the map.