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Geological Map of the Trap Range of Keweenaw Point

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


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Printed. Map is divided into 2 pieces. Map is water stained and is flaking. Shows the potential mineral resources in Keweenaw and Houghton Counties as known in 1863. Scale on original is 2 inches equals 1 mile.

Printed. Map is divided into 2 pieces. Map is water stained and is flaking. Shows the potential mineral resources in Keweenaw and Houghton Counties as known in 1863. Scale on original is 2 inches equals 1 mile.

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