Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Mines of weaver and Martinez districts
Historical outline; districts in southern Yavapai County; country rocks are Pre-Cambrian schists, granites, and quartz diorites, also highly acid-phase Alaskite as represented by Rich Hill; notes on development activity at four mines; which have produced about $2,200,000 since reopening after rise in price of gold; other properties mentioned.
Mines of weaver and Martinez districts
Historical outline; districts in southern Yavapai County; country rocks are Pre-Cambrian schists, granites, and quartz diorites, also highly acid-phase Alaskite as represented by Rich Hill; notes on development activity at four mines; which have produced about $2,200,000 since reopening after rise in price of gold; other properties mentioned.
Mines of weaver and Martinez districts
Min J (Phoenix, Ariz)
Barth, Jr., C.G. (Autor:in)
1940
3 pages
Aufsatz (Zeitschrift)
Englisch
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| TIBKAT | 2023
Gold mines in the New Zealand West Coast Districts
Engineering Index Backfile | 1898
| Online Contents | 2006
| Engineering Index Backfile | 1932