Osborne, Douglas2019-03-122019-03-121955EPM-073-01-012http://hdl.handle.net/20.500.11867/15818Single sheet 8.5 x 11 inch. Typed. Date est.From the Curator of Anthropology, Washington State Museum Chairman, Membership Committee, Washington Archaeological Society. "Your name has been suggested to the membership committee of the newly formed Washington Archaeological Society as a potential member."Announcing the Washington Archaeological Society, with constitution and by laws.