TY  - RPRT
TI  - Preliminary geologic map of the Val Verde 7.5' quadrangle, southern California
AU  - R.F. Yerkes
AU  - R. H. Campbell
PY  - 1995
DO  - 10.3133/ofr95504
UR  - https://pubs.usgs.gov/publication/ofr95504
ID  - ofr95504
ER  -