TY  - RPRT
TI  - Preliminary geologic map of the San Bernardino 30' x 60' quadrangle, California (includes preliminary GIS database)
AU  - Douglas M. Morton
AU  - Fred K. Miller
PY  - 2003
DO  - 10.3133/ofr03293
UR  - https://pubs.usgs.gov/publication/ofr03293
ID  - ofr03293
ER  -