TY - BOOK AU - Lombard,R.E. ED - United States. TI - Channel conditions in the lower Toutle and Cowlitz rivers resulting from the mudflows of May 18, 1980 U1 - 551.4890979788 PY - 1981/// CY - Reston, Va. PB - U.S. Department of the Interior KW - Lahars KW - Washington (State) KW - Toutle River (Wash.) KW - Cowlitz River (Wash.) KW - Saint Helens, Mount (Wash.) KW - Eruption, 1980 N1 - Bibliography: p. 16 ER -