TY - BOOK AU - Cummans, John. CN - QE75 CN - QE75 CY - [Reston, Va.?] : DA - 1981. ID - 33361 KW - Lahars KW - Hydrology PB - U.S. Dept. of the Interior, Geological Survey, PP - [Reston, Va.?] : PY - 1981. T1 - Mudflows resulting from the May 18, 1980, eruption of Mount St. Helens, Washington :hydrologic effects of the eruptions of Mount St. Helens, Washington, 1980 / TI - Mudflows resulting from the May 18, 1980, eruption of Mount St. Helens, Washington :hydrologic effects of the eruptions of Mount St. Helens, Washington, 1980 / ER -