TY - RPRT TI - Basic data and preliminary density and porosity profiles for twelve borehole gravity surveys made in the Los Angeles, San Joaquin, Santa Maria and Ventura Basins, California AU - L. A. Beyer AU - S. L. Robbins AU - F. G. Clutsom PY - 1985 DO - 10.3133/ofr8542 UR - https://pubs.usgs.gov/publication/ofr8542 ID - ofr8542 ER -