Sorry guys, but Laura has it. See links below for more info and a photo. Good job Laura, your turn.
http://www.rudyalicelighthouse.net/NWLts/Desdmna/Desdmna.htm

http://www.pdxhistory.com/html/oregon_coast.html

Incidentally, for the postcard collectors, several nice views of the Desdemona Light exist and occasionally they can be found on ebay.

mg