TY - RPRT TI - 40 Ar/ 39 Ar Dating of Zn-Pb-Ag Mineralization in the Northern Brooks Range, Alaska AU - Melanie B. Werdon AU - Paul W. Layer AU - Rainer J. Newberry PY - 2004 DO - 10.2113/gsecongeo.99.7.1323 UR - https://pubs.usgs.gov/publication/70145507 ID - 70145507 ER -