TY - RPRT TI - Lithic breccia and ignimbrite erupted during the collapse of Crater Lake Caldera, Oregon AU - T. H. Druitt AU - C. R. Bacon PY - 1986 DO - 10.1016/0377-0273(86)90038-7 UR - https://pubs.usgs.gov/publication/70015700 ID - 70015700 ER -