Author: CRANDELL, D.R.
Title: Deposits of pre-1980 pyroclastic flows and lahars from Mount St. Helens volcano, Washington.
Description: 1987. US Geological Survey Professional Paper 1444; 94 pp. 54 fig./phot. 1 fold. map in pocket. Orig. wrps. with libr. ticket taped to corner of front cover, contents very good, 4to.

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