Walla Walla man designs commemorative Dayton Post Office Sesquicentennial envelope

For 150 years, the Dayton Post Office, 202 S. Second St., has been a going concern in the community of an estimated 2,444 residents, said postal aficionado and Walla Walla resident Robert Keatts. Tuesday, March 15, marks its sesquicentennial anniversary. Source: Union Bulletin