Author: FOXWORTHY, BRUCE, L. & MARY HILL
Title: Volcanic eruptions of 1980 at Mount St. Helens. The first 100 days.
Description: 1982. US geol. Surv. prof. paper 1249; 125 pp. 63 fig./phpt. many col. Orig. illustr. wrps. backcover and last pages with small tear (1 cm) in margin, otherwise good copy, 4to.

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