1927. Geological Survey (U.S.). Alternate title: Alaska, map A.; Relief shown by spot heights. 42 x 60 centimeters Scale 1:5,000,000 approximately 80 miles to 1 inch General Map C... Dept. of the Interior, U.S. Geological Survey (Washington, D.C).
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1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; Each sheet includes "Key map of plan sheets."; "Printed in 1927."; "19 plans, 1 profile sheet." on shee... U.S. Geological Survey (Washington).
1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1926."; Index map on each sheet. 46 x 63 centimeters + Scale 1:31,680 General Map Collection. The Survey.
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).
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).
1927. Geological Survey (U.S.). Relief shown by shading.; In upper margin: State of Tennessee, Division of Geology. 41 x 157 centimeters Scale 1:500,000 General Map Collection. The Survey (Washington, D.C).
1927. Geological Survey (U.S.). Relief shown by shading.; In upper margin: State of Tennessee, Division of Geology. 41 x 157 centimeters Scale 1:500,000 General Map Collection. The Survey (Washington, D.C).
1927. Geological Survey (U.S.). Relief shown by contours, and spot heights. 66 x 72 Centimeters Scale 1:125,000 ; General Map Collection. The Survey (Washington).
1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; East half--West half.; Surveyed in 1902-1923.; East half 1939 reprint. 217 x 101 centimeters, sheets ea... The Survey (Washington).