Single-Crystal 40Ar/39Ar Dating of the Eocene-Oligocene Transition in North America
Carl C. Swisher III 1 and
D. R. Prothero 2
1 Berkeley Geochronology Center, 2453 Ridge Road, Berkeley CA 94709
2 Department of Geology, Occidental College, Los Angeles, CA 90041
In the report "Single-crystal 40Ar/39Ar dating of the Eocene-Oligocene transition in North America" (17 Aug., p. 760), the affiliation of first author Carl C. Swisher III should have been given as the Institute of Human Origins Geochronology Center, 2453 Ridge Road, Berkeley, CA 94709.