TY - RPRT TI - Geology and geochemistry of volcanic centers within the eastern half of the Sonoma volcanic field, northern San Francisco Bay region, California AU - Donald S. Sweetkind AU - James J. Rytuba AU - Victoria E. Langenheim AU - Robert J. Fleck PY - 2011 DO - 10.1130/ges00625.1 UR - https://pubs.usgs.gov/publication/70004605 ID - 70004605 ER -