A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Miniature oil well rig for drilling test holes
Drilling outfit for sinking test holes in making landslide investigations and in determining foundations for bridge abutments developed by Ohio Department of Highways; hand power may be used; soil conditions determine methods.
Miniature oil well rig for drilling test holes
Drilling outfit for sinking test holes in making landslide investigations and in determining foundations for bridge abutments developed by Ohio Department of Highways; hand power may be used; soil conditions determine methods.
Miniature oil well rig for drilling test holes
Constr. Methods
Construction Methods ; 11
1929
4 Figs.
Article (Journal)
English
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