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You searched for: Date Created 1939 Remove constraint Date Created: 1939 Provenance Part of Geological Survey (U.S.). Indiana 1:62,500. Remove constraint Provenance: Part of Geological Survey (U.S.). Indiana 1:62,500. Subject Geographic Subject: Iroquois County (Ill.) Remove constraint Subject: Geographic Subject: Iroquois County (Ill.)

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  • Illinois-Indiana, Watseka quadrangle [1939 printing]