Detailed text transcripts for TV channel - FOXNEWS - 20100407:10:38:00
That's a large distance for people on the surface to be able to detect someone pounding not on a mine roof in this case, on the roof of the refuge chamber. but it's something that we think is important to at least try to do. >> have you ever found anybody alive after that where you haven't heard pounding? >> we have not. >> we've done seismic tests throughout the country but have not rescued anybody with the use of the seismic equipment. >> have you done that in this situation? >> this will be the -- well, we hooked up the seismic equipment yesterday and they're listening on the surface but we...
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