Don was part of the research on Au Sable riverboating in 1985. He won the Au Sable Canoe race in 1953, 1954 and 1955. After his first wife passed away, Don Feldhauser married his second wife Jeanne. Jeanne's first husband was Jim who owned Jim's Caone Livery in Grayling, Michigan. They live on the Au Sable River near Grayling, Michigan.