A true description of the Lake Superior country - its rivers, coasts, bays, harbours, islands, and commerce : with Bayfield's chart, <showing the boundary line as established by Joint commission> : also a minute account of the copper mines and working companies : accompanied by a map of the mineral regions : showing, by their no. and place, all the different locations : and containing a concise mode of assaying, treating, smelting, and refining copper ores

Förlag	År	Ort	Om boken	ISBN
W.H. Graham	1846	New York, New York	1 sidor. l., 118 sidor., [2] folded leaves of plates maps 19 cm.