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Geological Map Rockland & Pewabic Townships, Ontonagon County, Mi

Object Type: Folder
In Folder: Archives of Michigan Map Collection



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Printed. Encapsulated. Shows the rock strata of part of Ontonagon County, Michigan as known in 1859. Map includes a cross section of the rock strata. Scale on original is 1 inch equals .5 miles.

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Archives of Michigan https://michigan.gov/archivesofmi