Activated: April 6, 1942; Deactivated: October 16, 1943. Bellingham Filter Center.
October 16, 1943: The Aircraft Warning Service Station "Zebra 1-9" was deactivated. The AWS had added sleeping quarters to the improvements. Upon deactivation the site was retained by the Forest Service and was continued as a fire lookout. (Report of AWS Stations, May 1, 1944)