This series consists of a list of sawmills, planer mills and barker-chippers organized by Ranger District until 1979 and by Forest District thereafter, compiled by the District forester/Regional Manager. Contains information as to name of mill or mill owner, address, physical location, type, i.e.: portable, stationary, farmer, planer in connection with saw mill, or equipped with gang saws, capacity per shift in cubic meters (mbm before metrication) and projected expansion. Compiled twice a year until 1955, annually thereafter.