TY - RPRT TI - Preliminary structure contour map of the Sacramento Valley, California, showing major late Cenozoic structural features and depth to basement AU - David S. Harwood AU - Edward J. Helley PY - 1982 DO - 10.3133/ofr82737 UR - https://pubs.usgs.gov/publication/ofr82737 ID - ofr82737 ER -