The Western Union Telegraph Company New York-Washington-Pittsburgh Radio Relay Triangle
* Just named to the 2003 Watch List by the DC Preservation League, a list of the most endangered properties in the District of Columbia.*

Information compiled by David S. Rotenstein, Ph.D. includes photos and significance statements for:

Western Union Telegraph Company Tenley Site, Washington, D.C., 1945-96. National Register Criteria A and C; Criteria Consideration G. "The former Western Union Telegraph Company Building and Tower were built in 1945 in anticipation of Western Union's microwave relay system build out of 1946-48. . . In addition to being part of the first US private-sector microwave relay communications system, the Tenley Site also served as a component in the Cold War-era national security communications network."

and

Severn Relay Station, Anne Arundel County, MD. Maryland Inventory of Historic Properties Form on-line.

"The first project by the Kennedy administration to stress design in public places was the standardization of the air traffic control towers. The first generation of these towers was designed by I M Pei. Between 1965 to 1972 an approximate total of 50 towers were built across the continental United States." See a list of these towers on Per Wahlin's home page, an architectural aficionado of I.M. Pei

The Microwave Radio and Coaxial Cable Networks of the Bell System site by Albert LaFrance

German television towers: http://nisee.berkeley.edu/leonhardt/html/towers.html

Blaw-Knox Diamond Radio Towers: http://hawkins.pair.com/blaw-knox.html

AT&T Microwave towers: http://www.drgibson.com/towers/index.html

"Nice Towers, eh" article in CRM (1997) [PDF Format]:
http://crm.cr.nps.gov/archive/20-14/20-14-13.pdf