TY  - RPRT
TI  - Geologic map of the Chico monocline and northwestern part of the Sacramento Valley, California
AU  - D. S. Harwood
AU  - E. J. Helley
AU  - M.P. Doukas
PY  - 1981
DO  - 10.3133/i1238
UR  - https://pubs.usgs.gov/publication/i1238
ID  - i1238
ER  -