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Peculiarities of Lake Superior copper production
A summary of the interesting features of this region, with map. (3500 w.)
Peculiarities of Lake Superior copper production
A summary of the interesting features of this region, with map. (3500 w.)
Peculiarities of Lake Superior copper production
Min Wld
Stevens, Horace J. (Autor:in)
1904
Aufsatz (Zeitschrift)
Englisch
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Historical sketch of lake superior copper district
Engineering Index Backfile | 1931
|British Library Online Contents | 1997
Lake superior ore-dressing practice
Engineering Index Backfile | 1908
|