TY  - RPRT
TI  - Stratigraphy and paleogeographic significance of the Pennsylvanian-Permian Bird Spring Formation in the Ship Mountains, southeastern California
AU  - Paul Stone
AU  - Calvin H. Stevens
AU  - Keith A. Howard
AU  - Thomas D. Hoisch
PY  - 2013
DO  - 10.3133/sir20135109
UR  - https://pubs.usgs.gov/publication/sir20135109
ID  - sir20135109
ER  -