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You searched for: Publisher Geological Survey (U.S.) ✖Remove constraint Publisher: Geological Survey (U.S.) Type Image ✖Remove constraint Type: Image Year 1919 ✖Remove constraint Year: 1919
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Illinois, Vienna quadrangle : topography university-of-illinois-urbana-champaign

1919. Geological Survey (U.S.). Contour interval 20 feet.;"Surveyed in 1916.";"Surveyed in cooperation with the State of Illinois.";Relief shown by contours and spot heights.;1 ma...