A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Portable drilling rig removes large cores
Notes on use of small, compact drilling rig, designed to fill core holes from 2 to 6 in. diam, for exploring preparatory to excavating for dams and bridges in Colorado River basin, near Coleman, Tex.
Portable drilling rig removes large cores
Notes on use of small, compact drilling rig, designed to fill core holes from 2 to 6 in. diam, for exploring preparatory to excavating for dams and bridges in Colorado River basin, near Coleman, Tex.
Portable drilling rig removes large cores
Petroleum Engr
Godschalk, H.J. (author)
Petroleum Engineer ; 16
1945
Article (Journal)
English
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