1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1924."; "Topography by R.W. Burchard."; "Datum is mean sea level."; Sheets include townshi... Dept. of the Interior, U.S. Geological Survey (Washington, D.C).
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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: 1921 and 1923.... The Survey (Washington).
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).
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).
1916. Geological Survey (U.S.). Congressional districts are outlined and numbered in purple.; Insets: Mesabi Range -- St. Paul-Minneapolis and vicinity -- Duluth-Superior and vici... Dept. of the Interior (Washington, D.C).
1926. Geological Survey (U.S.). Relief shown by contours.; At head of title: Department of the Interior, U.S. Geological Survey. 60 x 73 centimeters Scale 1:125,000 General Map Co... U.S. Geological Survey (Washington, D.C).
1926. Geological Survey (U.S.). Relief shown by contours. 60 x 73 Centimeters Scale 1:125,000 ; General Map Collection. U.S. Geological Survey (Washington, D.C).
1926. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Printed 1926"--lower right border.; "From U.S. Geological Survey topographic maps surveyed in 1884-189... The Survey (Washington, D.C.?).
1908. Geological Survey (U.S.). Relief shown by contours and spot heights. 51 x 36 Centimeters Scale 1:500,000 ; General Map Collection. The Survey (Washington).
1893. Bien, Julius, 1826-1909 and Geological Survey (U.S.). 1 map : col. ; 43 x 71 cm Relief shown by contour lines. In upper border: U.S. Geological Survey. Fourteenth annual report, pl. II. Shows Indian re...