| Description | Copy of map: Rosenbaum, C, 'Geognostische Karte der Mineral-Regionen am Lake Superior, Michigan, North Amer' [Geological map of the mineral regions of Lake Superior, Michigan, North America], [Cassel]: Th. Fischer, (1851). Lithographed, publisher's colouring. Sectioned on linen. No Greenough number, but bibliographic annotation in pencil on bottom left corner. |
| Administrative History | The map is annotated by Greenough stating that Friedrich Carl Ludwig Koch published a paper on the district which included this map in 'Studien des Göttingischen Vereins Bergmännischer Freunde', volume 6. Greenough's copy of the paper is within the Rare Books collection and is catalogued as 'Die Mineral-Regionen der obern Halbinsel Michigan's (N. A.) am Lake Superior und die Isle Royal', Göttingen: In der Dieterichschen Buchhandlung, 1852. |