W. M Kohler

$Data report for the 1978-1985 seismic-refraction surveys in northeastern California$ Data report for the 1978-1985 seismic-refraction surveys in northeastern California
$Data report for the 1979 seismic-refraction experiment in the Imperial Valley Region, California$ Data report for the 1979 seismic-refraction experiment in the Imperial Valley Region, California
$Data report for the 1993 seismic refraction experiment in the San Francisco Bay Area, California$ Data report for the 1993 seismic refraction experiment in the San Francisco Bay Area, California
$Empirical relationship among shot size, shotpoint site condition, and recording distance for 1984-1987 U.S. Geological Survey Seismic-Refraction Data$ Empirical relationship among shot size, shotpoint site condition, and recording distance for 1984-1987 U.S. Geological Survey Seismic-Refraction Data