National Geologic Map Database
General Information
- Title: Lower Silurian System, Chapter 9
- Author(s): Hall, James
- Publishing Organization: A.B. Hamilton
- Larger Work: Foster, J.W., and Whitney, J.D., Report on the geology of the Lake Superior land district. Part II, The iron region, together with the general geology
- Publication Date: 1851
- Cross Section: None
- North Latitude: 42° 51' 33" N (42.8592)
- South Latitude: 42° 24' 50" N (42.4139)
- East Longitude: 90° 10' 48" W (-90.1800)
- West Longitude: 90° 39' 54" W (-90.6650)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.