Contains 15 papers from a conference designed to foster interdisciplinary interactions between mathematicians and practitioners in application areas. Topics include nonsmooth regularization, two new methods in inverse scattering, the inversion of body-wave attributes derived from seismic refraction data, data integration via reflection tomography, waveform and spatial clustering in high frequency seismograms, fast 3-D resistivity inversion in EOR monitoring, and source optimization in the inverse geoelectric problem. Annotation c. by Book News, Inc., Portland, Or.