TY - RPRT TI - U-Pb geochronology of igneous and detrital zircon samples from the Tok River area, eastern Alaska Range, and Talkeetna Mountains, Alaska AU - Christopher S. Holm-Denoma AU - Karri R. Sicard AU - Evan Twelker PY - 2020 DO - 10.14509/30439 UR - https://pubs.usgs.gov/publication/70211856 ID - 70211856 ER -