1925. Geological Survey (U.S.). Relief shown by contours and spot heights ; contour interval on land 20 ft. ; contour interval on river surface 5 ft.; Survey dates: 1924.; Topogra... The Survey (Washington).
Search Results
1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; "5 plan sheets."; Includes "Key map of plan sheets" on each sheet."."; Includes inset "Albany Falls dam... The Survey (Washington).