Excerpt from The Volcanic History of Lassen Peak, Lassen Volcanic National Park, California In the volcanic belt of the Alaskan coast there are a number of vigorously active volcanoes. So also in Central America and Mexico, but in the Cascade Range the volcanoes appear to be near extinction. 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.

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Excerpt from Circular of General Information Regarding Lassen Volcanic National Park, California: Season, June 1 to September 15, 1932 Lassen Peak is a volcano of large type surrounded by many smaller ones of later date, built up Of a variety of lavas. The volcanic activity which resulted in the upbuilding Of Lassen Peak began near the close of the Eocene. The lava flows. Appear to have been largest and most numerous in the Miocene and Pliocene, successive flows decreasing in size during the Quaternary to near extinction in recent times. 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.