Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hecla Acquiring Revett and Its Rock Creek Project
The Revett website states that, assuming a positive feasibility study and the receipt of necessary construction permits and project financing, the company had planned to develop Rock Creek as an approximate 10,000-st/d, underground room-and-pillar mine similar to Troy.
Hecla Acquiring Revett and Its Rock Creek Project
The Revett website states that, assuming a positive feasibility study and the receipt of necessary construction permits and project financing, the company had planned to develop Rock Creek as an approximate 10,000-st/d, underground room-and-pillar mine similar to Troy.
Hecla Acquiring Revett and Its Rock Creek Project
2015
Aufsatz (Zeitschrift)
Englisch
Online Contents | 2017
Method and cost of driving rock creek tunnel, Hecla Mining Co, Shoshone County, Idaho
| Engineering Index Backfile | 1949
Online Contents | 2015
Online Contents | 2017