Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Investigation of Chippewa copper-nickel prospect near Rockmont, Douglas County, Wis
Reopening and sampling old shaft; native copper similar to that of Michigan copper district was found but not in sufficient quantities to justify further investigation; geology and character of mine workings.
Investigation of Chippewa copper-nickel prospect near Rockmont, Douglas County, Wis
Reopening and sampling old shaft; native copper similar to that of Michigan copper district was found but not in sufficient quantities to justify further investigation; geology and character of mine workings.
Investigation of Chippewa copper-nickel prospect near Rockmont, Douglas County, Wis
U S Bur Mines -- Report Investigations
Holliday, R.W. (Autor:in)
1955
11 pages
Aufsatz (Zeitschrift)
Englisch
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