Excerpt from Potential Hazards From Future Eruptions of Mount St. Helens Volcano, Washington Mount St. Helens is a symmetrical volcanic cone in southwestern Washington about 75 km northeast of Portland, Oreg. (fig. Most ofthe visible part of the cone has been formed within the last thousand years, but it overlies an older volcanic center that evidently came into existence before years ago (hyde, 1975, p. Bio). Mount St. Helens has had a long history of spasmodic explosive activity, and we believe it to be an especially dangerous volcano because of its past behavior and the relatively high frequency of its eruptions during the last years (table In the future. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.