Geotechnical services company Geomech Africa, a subsidiary of Geogroup, imported its 20 t, SDC 450-24 sonic drill rig from Canada at a cost of $1-million specifically to handle deep borehole work in ...
LONDON - Cobra Resources PLC (LSE:COBR), an exploration and development company, has initiated a sonic core drilling program at its Boland Project in South Australia, targeting a potentially ...
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