A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Drilling in frozen earth and stone; total of 422.4 m. was drilled; deepest hole was 146.7 m.; drills were 5.25 to 3.25 in. in diameter.
Deep driling at Spitzbergen
Dynboring pa Spitzbergen
Orvin, A. (author)
Teknisk Ukeblad ; 77
1930
4 pages
Article (Journal)
Norwegian
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