Chicago, Ill. Report upon improvement of rivers and harbors in Chicago, Ill., district, Geo. A. Zinn in charge; app. KK, annual report of chief of engineers, 1913.
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Chicago, Ill. Report upon improvement of rivers and harbors in Chicago, Ill., district, Geo. A. Zinn in charge; app. KK, annual report of chief of engineers, 1913.
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Chicago, Ill. Report upon improvement of rivers and harbors in Chicago, Ill., district, Geo. A. Zinn in charge; app. KK, annual report of chief of engineers, 1913.