Tags for Houghton
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| Map | Title | Year | Last Updated  |
Status |
|---|---|---|---|---|
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Image 7 of Sanborn Fire Insurance Map from Houghton, Houghton County, Michigan. Published by Sanborn Map Company, Nov 1917.
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1917 | 4 months ago | 3 control points |
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Sanborn Fire Insurance Plan Sheet 13 of Houghton, Michigan 1900
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1900 | 5 months ago | 4 control points |