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Geological and topographical map of the mineral district of Lake Superior, Michigan

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Geological and topographical map of the mineral district of Lake Superior, Michigan

description

Zusammenfassung

Public domain scan of a architecture diagram, settlement map, plan, or drawing, free to use, no copyright restrictions - Picryl description.

date_range

Datum

1864 - 1864
create

Quelle

New York Public Library
copyright

Copyright-info

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")

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mines and mineral resources
Minen und Bodenschätze