TY - RPRT TI - Potassium-argon and lead-alpha ages of plutonic rocks, Bokan Mountain area, Alaska AU - M. A. Lanphere AU - E.M. MacKevett AU - T. W. Stern PY - 1964 DO - 10.1126/science.145.3633.705 UR - https://pubs.usgs.gov/publication/70010833 ID - 70010833 ER -