Diamond drilling for gold and other minerals. A practical handbook on the use of modern diamond core drills in prospecting and exploiting mineral-bearing properties including Particulars of the cost of apparatus and of working
Inbunden bok.
Gott skick. London 1900. Dek helklb. 158 s + 64 s. Crosby Lockwood & Sons Catalogue of Scientific, Technical and Industrial Books. Illustrerad. Gott skick. Namnt.