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                Title: Ages of minerals from metamorphic and igneous rocks near Iron Mountain, Michigan
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                Author(s): Aldrich, L.T., Davis, G.L., and James, H.L.
            
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                    Publishing Organization: Oxford University Press
            
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                Series and Number: Journal of Petrology v. 6, pt. 3 [p. 445-472]
            
- Publication Date: 1965
- Map Scale: 1:416,842
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.