THIS BOOK, conceived by N. M. S., is patterned this atlas, namely to assemble into a single source after The Atlas and Glossary of Primary Sedi book a photographic record of nearly all volcanic mentary Structures by F. J. Pettijohn and P. E. Potter surface features described during the development (Springer-Verlag New York, Inc. ). We introduce of volcanology so that future workers on terrestrial this atlas with a chapter by the late Arie Polder problems can refer to these photos for comparative vaart treating the principal concepts of volcanoes or illustrative purposes. as landforms,...