1918. Geological Survey (U.S.). Surveyed in 1917.;Surveyed in cooperation with the War Department and the State of Illinois.";Relief shown by contours and spot heights.;1 map, col... Geological Survey (U.S.) and Geological Survey Division (Urbana, Ill.).
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1918. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1917.";"Surveyed in cooperation with the War Department and the State of Illinois.";Relief shown by contours... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and War Dept., Corps of Engineers, U.S. Army (U.S.).
1918. Alden, William C. (William Clinton), 1871-1959. Covers Wisconsin from the Illinois state line to Lake Winnebago.; Depths shown by contours.; Shows areas of marshes, sand, moraines, glacial drifts... U.S. Geological Survey (Washington, D.C).
1918. Wisconsin. State Highway Commission. Cover title: 1918 official map of the state trunk highway system of Wisconsin.; "Poole Bros., Chicago."--Lower left corner.; Booklet compiled by A.... Wisconsin Highway Commission (Madison, Wis).