TY - RPRT TI - Stratigraphic and compositional complexities of the late Quaternary Lethe tephra in South-central Alaska AU - J.R. Riehle AU - T. A. Ager AU - R.D. Reger AU - D.S. Pinney AU - D. S. Kaufman PY - 2008 DO - 10.1016/j.quaint.2006.09.006 UR - https://pubs.usgs.gov/publication/70033250 ID - 70033250 ER -