TY - RPRT TI - Geologic map of Late Cenozoic deposits of the Sacramento Valley and northern Sierran Foothills, California AU - Edward J. Helley AU - David S. Harwood PY - 1985 DO - 10.3133/mf1790 UR - https://pubs.usgs.gov/publication/mf1790 ID - mf1790 ER -