International Resource News-December 28, 2012--Dawson Geophysical places contract for 12,000 channels of Geospace single-channel GSX cable-less recording equipment(C)1994-2012 ENPublishing - httpwww.enpublishing.co.uk International Resource News - 28 December 2012 Dawson Geophysical Company ... (Publication: International Resource News (IRN))
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