Winiberg, Frederick
Metalliferous mine surveying - 5th ed.] - London Mining Publications 1966 - 456 p.
Rev. & enl. by R.C.A. Hooper
528:622.34 / W5
Metalliferous mine surveying - 5th ed.] - London Mining Publications 1966 - 456 p.
Rev. & enl. by R.C.A. Hooper
528:622.34 / W5