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註釋Summaries of research projects, including reflection seismic investigations of Western Canadian coalfields using a seisgun; the potential of geophysical techniques for coal exploration; surface geophysical coal exploration in the Alberta Plains; very low frequency geophysical methods in coal exploration; downhole geophysics; in-seam coal characterization; seismic modelling of shallow coalfields; and surface geophysical techniques for foothills and mountain coalfield exploration.