TY  - RPRT
TI  - Geomagnetic polarity event recorded at 1.1 m.y. B.P. on Cobb Mountain, Clear Lake volcanic field, California
AU  - Edward A. Mankinen
AU  - J.M. Donnelly
AU  - C. S. Grommé
PY  - 1978
DO  - 10.1130/0091-7613(1978)6<653:gperam>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70197174
ID  - 70197174
ER  -