TY  - RPRT
TI  - Contact relations of the Ione and Valley Springs formations in the east-central Great Valley, California
AU  - J. A. Bartow
PY  - 1992
DO  - 10.3133/ofr92588
UR  - https://pubs.usgs.gov/publication/ofr92588
ID  - ofr92588
ER  -