Wilfred P. Hasbrouck

• A two-layer, multiple-coverage seismic refraction method with computer programs in BASIC to expedite its application
• Coal-seismic, desktop computer programs in BASIC
• Sketches of a hammer-impact, spiked-base, shear-wave source
• Techniques of high spatial density magnetic profiling and mapping
• The Lanczos-preconditioned, folded skin (sin x)/x interpolator