TY - RPRT TI - Late pleistocene and holocene caldera-forming eruptions of Okmok Caldera, Aleutian Islands, Alaska AU - Jessica F. Larsen AU - Christina A. Neal AU - Janet Schaefer AU - Jim Beget AU - Chris Nye PY - 2007 DO - 10.1029/172gm24 UR - https://pubs.usgs.gov/publication/70170807 ID - 70170807 ER -