TY - RPRT TI - Geologic investigation of recurrence intervals and recency of faulting along the San Gregorio fault zone, San Mateo County, California AU - Gerald E. Weber AU - William R. Cotton PY - 1981 DO - 10.3133/ofr81263 UR - https://pubs.usgs.gov/publication/ofr81263 ID - ofr81263 ER -