Tacoma Narrows Bridge between July and Nov of 1940. The bridge was completed in July and was unsteady in a wind. It blew down on November 7, 1940. (Wes Engstrom)
Nicholson, John Allen and Engstrom, Wesley C., "Suspension Bridge" (2009). John Allen Nicholson Pictures. 18.
John Allen Nicholson: His Diaries and Pictures (CDROM)