Applied Geophysics Consultancy LLC
 Butler, Dwain K.  2007.  “Reflections on the Environmental and Engineering
 Applications of the Potential Fields Methods of Geophysics,” Pioneers of
 Near-Surface Geophysics Session, Proceedings of the 2007 Symposium on
 Application of Geophysics to Environmental and Engineering Geophysics,

 Butler, Dwain K. (NRC Committee Member) 2000.  Seeing Into the
 Earth: Noninvasive Characterization of the Shallow Subsurface for
 Environmental and Engineering Applications, National Academy Press. 
Butler, Dwain K., Sjostrom, Keith J., and Llopis, Jose L.  1997. “Selected Short Stories of Novel Applications of Near-Surface Geophysics,” The Leading Edge, 16, 1593-1600.

Butler, Dwain K. (Editor), 2005.  Near-Surface Geophysics, Investigations in Geophysics Series No. 13, Society of Exploration Geophysicists, Tulsa, OK.  (732 pages, peer-reviewed).
Butler, Dwain K.  1994.  “Detection and Delineation of Subsurface Cavities, Tunnels and Mines,” Geotechnical Lecture Series, Illinois Section, American Society of Civil Engineers, 3:1-29.

Butler, Dwain K.  2008.  “Detection and Characterization of Subsurface Cavities, Tunnels and Abandoned Mines,” Near-Surface Geophysics and Human Activity, 578-584, Science Press USA Inc.

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