Superior and 1st bet. 4th Ave. W and 4th Ave. E, Duluth, Minnesota. County/parish: St. Louis.
Added to the National Register of Historic Places May 31, 2006. NRIS 06000455.
Part of Duluth's Central Business District, MPS (NRIS 64500945).
86 contributing buildings. 1 contributing structure.National Park Service documentation: https://catalog.archives.gov/id/93200976