BALANCED ROCK, near head of Fruita Canyon. Spire and rock are Wingate Sandstone resting on red Chinle Formation; thin caprock is protective layer of resistant Kayenta Formation. (Frontispiece)
The Geologic Story of
COLORADO
NATIONAL MONUMENT
By S. W. Lohman
GEOLOGICAL SURVEY BULLETIN 1508
UNITED STATES DEPARTMENT OF THE INTERIOR
JAMES G. WATT, Secretary
GEOLOGICAL SURVEY
Doyle G. Frederick, Acting Director
Library of Congress Cataloging in Publication Data Lohman, Stanley William, 1907- The geologic story of Colorado National Monument. (Geological Survey Bulletin 1508) Bibliography: p. 131 Includes index. 1. Geology—Colorado National Monument. 2. Colorado National Monument. I. Title. II. Series: United States Geological Survey Bulletin 1508 QE75.B9 no. 1508 [QE92.C6] 557.3s [557.88′17] 80-607952
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