Geological Survey (U.S.)Relief shown by contours and spot heights ; contour interval on land 20 ft. ; contour interval on river surface 5 ft.; "Surveyed in 1925."; Vertical scale of profiles 1 in. = 40 ft.; "3 plan sheets, 3 profile sheets."; Includes "Key map of plan sheets" on each sheet.sheets 53 x 69 centimetersJPEGUMN_ALMA:9927578250001701engThe Survey (Washington)PublicPlan and profile of McKenzie River, Oregon : south fork McKenzie River to mile 18, Blue River to mile 9, Horse Creek to mile 10, Lost Creek to mile 4MapsOregon--McKenzie RiverOregonUniversity of Minnesota