TY  - RPRT
TI  - Geomagnetic polarity epochs: Sierra Nevada II
AU  - A. Cox
AU  - Richard R. Doell
AU  - G. Brent Dalrymple
PY  - 1963
DO  - 10.1126/science.142.3590.382.b
UR  - https://pubs.usgs.gov/publication/70010447
ID  - 70010447
ER  -