This story is a special collaboration with the Southern Oregon University Laboratory of Anthropology and the Oregon Historical Society, with support from Roundhouse Foundation.The Kam Wah Chung and Company (金華昌) building has been a constant in the town of John Day for more than 150 years, where it has served as a home, store, medical practice, religious and community center, and — most recently — a museum. Under the ownership of Ing Hay (伍于念) an…