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Surface Map of the Norrie Aurora Mines Ironwood, Mich. Showing that part affected by caving

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

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Title/Family Name
Description/Given Name
Place
Surface Map of the Norrie Aurora Mines Ironwood, Mich. Showing that part affected by caving

Hand colored onto a blue line copy. Scale or original is 1 inch equals 200 feet.

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