1331. Plan and profile of Umpqua River above Scottsburg, Oregon : North Umpqua River and tributaries
    
      1926. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1914 and 1924."; Topography also done by R.B. Kilgore.; Vertical scale of profiles 1 in. =... The Survey (Washington).