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Technique of surveying diamond-drill holes with the Wright Radiolite Borehole-Surveying Instrument
A simple device for measurement of angles of azimuth and deviation from the horizontal on glass tubes used for surveying diamond-drill holes
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Published Year
1940-1949 (2) *
Subject
Borehole mining (1)
Borings (1)
Author
Townsend, James W. (2) *
King, William H. (1)