A true description of the Lake Superior country ... with Bayfield's chart, showing the boundary line as established by joint commission, also a minute account of the copper mines and working companies ... and containing a concise mode of assaying, treating, smelting, and refining copper ores
By: by John R. St. John.
Publisher: Black Letter-Press
Published: 1976
Place of publication: Grand Rapids
Language: eng
Number of pages: 118
Subjects: Copper mines and mining -- Michigan -- Superior, Lake, Region.; Superior, Lake, Region -- Description and travel.
Other titles: True description of the Lake Superior country ...
Notes: Reprint of the 1846 ed. published by W. H. Graham, New York.