TY - RPRT TI - Gigantic debris avalanche of Pleistocene age from ancestral Mount Shasta Volcano, California, and debris-avalanche hazard zonation AU - Dwight Raymond Crandell PY - 1989 DO - 10.3133/b1861 UR - https://pubs.usgs.gov/publication/b1861 ID - b1861 ER -