TY  - RPRT
TI  - Preliminary geologic map of the Los Angeles 7.5' quadrangle, southern California: A digital database
AU  - R.F. Yerkes
AU  - S. E. Graham
PY  - 1997
DO  - 10.3133/ofr97432
UR  - https://pubs.usgs.gov/publication/ofr97432
ID  - ofr97432
ER  -