TY  - RPRT
TI  - Age and paleoenvironment of the imperial formation near San Gorgonio Pass, Southern California
AU  - K. McDougall
AU  - R.Z. Poore
AU  - J. Matti
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70021974
ID  - 70021974
ER  -