Scope and Contents The collection consists of approximately 1400 drawings documenting the construction of St. Louis Union Station, hotel, train shed, and associated buildings, along with many modifications to the station up to the 1970s. Drawings from the 1890s-1920s are predominantly ink on white linen tracing cloth. Other drawings include pencil on tracing paper, pencil on tracing cloth, mechanical reproductions including blueprints on paper, diazotypes on paper, and Xerox (electrostatic) prints on...