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You searched for: Date Created 1968 Remove constraint Date Created: 1968 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: Monroe County (Ind.) Remove constraint Subject: Geographic Subject: Monroe County (Ind.)

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  • Indiana Oolitic quadrangle : 15-minute series [1968 reprint with vegetation]