TY - RPRT TI - Seismicity maps of the San Francisco and San Jose 1 degree by 2 degrees Quadrangles, California, for the period 1967-1993 AU - S.R. Walter AU - D. H. Oppenheimer AU - R.I. Mandel PY - 1998 DO - 10.3133/i2580 UR - https://pubs.usgs.gov/publication/i2580 ID - i2580 ER -