Editor's note: Because Steve Danbom's presentation at the TLE Forum on 11 September 2001 concerned the upcoming two-volume book, Near-Surface Geophysics, to be published by SEG, to recapitulate his presentation would be to prepublish material intended for the book. In lieu of this, he was asked to give his views on reasons behind such a publication.

That the practice of near-surface geophysics for environmental site investigations and civil engineering infrastructure assessments differs significantly from applications of geophysics for petroleum exploration should not be a surprise. Whereas both technical and nontechnical differences independently exist, this division often blurs in the...

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