434 W. Downer Pl., Aurora, Illinois. County/parish: Kane.
Added to the National Register of Historic Places March 29, 1978. NRIS 78001155.
1 contributing building.Also known as:
The Colonel Ira C. Copley Mansion, is a historic residence in Aurora, Illinois.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/28893186