Five year cycle is coming soon This is a practice and contains some calculations that need expanded on and maybe taken out and put in a test method. The practice of drilling changes all the time and needs to be periodically updated.
diamond drilling; exploration; rock; rock coring; rock investigations; site characterization; Angled borehole drilling; Diamond core drilling; Environmental site assessment (ESA); Horizontal testing; Rock drilling/coring/investigation; Rotary drilling; Soil; Soil sampling; Vertical position/testing;
Citing ASTM Standards
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