EarthWorks Geospatial Catalog

Preliminary geological map of the iron bearing rocks of the northeastern part of Minnesota

Author(s)
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Description
Cartographic Details: Scale approximately 1:330,000 (W 92°41ʹ--W 89°30ʹ/N 48°14ʹ--N 47°43ʹ). Relief shown by hachures. Cover title: Winchell's Geological map of the iron-bearing rocks of northeastern Minnesota. -- Advance copy. Includes descriptive text inside cover. 18 x 76 cm on sheet 20 x 74 cm
Collection
John R. Borchert Map Library
Place(s)
Minnesota, United States
Subject(s)
Geology
Year
1887
Held by
Minnesota
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