An edition of The mineral region of Lake Superior comprising its early history (1987)
The mineral region of Lake Superior comprising its early history
those parts of Dr. Douglass Houghton's reports of 1841 and '42 relating to the mineralogy of the district ... accompanied by the corrected map of the mineral agency office and a chart of Lake Superior
By Jacob Houghton
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Publish Date
1987
Publisher
O.G. Steele
Language
eng
Pages
147
Description:
subjects: Mines and mineral resources, Geology, Mines et ressources minières, Géologie
Places: Region Superior, Lake