Scope and Contents From the Collection: The papers document the development of aviation and the airport in Kent County, Michigan. The largest part of the collection dates from 1930 to 1957 when Walsh was Kent County Airport Manager at the former airport site along Eastern Avenue, south of 32nd Street, in southeast Grand Rapids. Walsh was quick to understand the commercial and military potential of aviation and has often been credited with being the driving force behind efforts in Kent County to advance aviation beyond the era of...