LIST OF PLATES (AT END OF BOOK) CHAPTER II ON THE FORMS AND PROPERTIES OF MINERALS Rocks CHAPTER III THE MINERALS KEY TO THE MINERALS, BASED ON For identifying the Rocks and Minerals of the United States and interpreting their Origins and Meanings By With 47 Colored Specimens and over 100 other Illustrations from Photographs by W. E. Corbin and drawings by the Author G. P. Putnam’s Sons FIELD BOOK Copyright, 1923, 1948 Twenty-sixth Impression All rights reserved. This book, or parts thereof, must not be reproduced in any form without permission. Made in the United States of America Dedicated |