TY - RPRT TI - The 1989-1990 eruption of Redoubt Volcano, Alaska: impacts on aircraft operations AU - T. J. Casadevall PY - 1994 DO - 10.1016/0377-0273(94)90038-8 UR - https://pubs.usgs.gov/publication/70017560 ID - 70017560 ER -