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Start Over Author Winchell, N. H. (Newton Horace), 1839-1914 Year 1890 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Geological map of the iron regions of Minnesota

Maps University Of Minnesota Public content
1890. Winchell, N. H. (Newton Horace), 1839-1914. At head of title: Geological and Natural History Survey of Minnesota.; Relief shown by hachures.; Includes inset: Map of the silver mining region, ... publisher not identified (United States).

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  • Winchell, N. H. (Newton Horace), 1839-19141