Hidden Bibliographic Details
Varying Form of Title: | Map showing railway transportation conditions : [Chicago Metropolitan Area]
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Other authors / contributors: | United States. Army. Corps of Engineers. Chicago District.
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Notes: | Relief shown by contours and spot heights. "Engraved and printed by the U.S. Geological Survey." "To accompany report of [Oct. 7, 1911] to the Chief of Engineers, U.S. Army." "House Doc. 237; 63d Cong., 1st Sess."
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Other form: | Online version: Chicago waterways. Sheet No. 2, Map showing railway transportation conditions. Chicago, Ill. : U.S. Engineer Office, 1911
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Govt.docs classification: | X 63-1:H doc 237
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