TY - RPRT TI - Potassium-argon and fission-track ages of the Sonoma volcanics in an area north of San Pablo Bay, California AU - K.F. Fox AU - R.J. Fleck AU - G.H. Curtis AU - C.E. Meyer PY - 1985 DO - 10.3133/mf1753 UR - https://pubs.usgs.gov/publication/mf1753 ID - mf1753 ER -