Helena Railroad Depot Historic District ID: 1609 | This file appears in: Helena Railroad Depot Historic District Helena Railroad Depot Historic District. Front/side view of the original Northern Pacific Railroad Depot on Railroad Avenue, facing north to northeast on Railroad Avenue. | Creator: Photographer unidentified | Date: Date unknown | Source: Montana State Historic Preservation Office | Rights: Public Domain Download Original File CreatorPhotographer unidentifiedSourceMontana State Historic Preservation OfficeDateDate unknownRightsPublic DomainFormatJPEG "Helena Railroad Depot Historic District" appears in: Helena Railroad Depot Historic District