@misc{indiciaeb862dad622d6, title = {40Ar/39Ar ages from the rhyolite of Alder Creek, California: Age of the Cobb Mountain normal-polarity subchron revisited}, author = {B. D. Turrin and J.M. Donnelly-Nolan and B. C. Hearn}, year = {1994}, doi = {10.1130/0091-7613(1994)022<0251:aaaftr>2.3.co;2}, url = {https://pubs.usgs.gov/publication/70017919}, note = {Source identifier: 70017919} }