Stanley William Lohman

Contents

Figures

Beginning of a Monument

Graduation to a Park

Early History

Geographic Setting

Deposition of The Rock Materials

Bending And Breaking of The Rocks

Uplift And Erosion of The Plateau

Origin And Development of The Arches

How to See the Park

A Trip Through The Park

Summary of Geologic History

Additional Reading

Acknowledgments

Selected References

Footnotes

Index

Transcriber's Notes

Transcriber's Note on Linking between eBooks

BALANCED ROCK, guarding The Windows section of Arches National Park. Rock is Slick Rock Member of Entrada Sandstone resting upon crinkly bedded Dewey Bridge Member of the Entrada. White rock in foreground is Navajo Sandstone. La Sal Mountains on right skyline. (Frontispiece)

UNITED STATES DEPARTMENT OF THE INTERIOR
ROGERS C. B. MORTON, Secretary

GEOLOGICAL SURVEY
V. E. McKelvey, Director

U.S. GOVERNMENT PRINTING OFFICE: 1975

Library of Congress Cataloging in Publication Data

Lohman, Stanley William, 1907-

The geologic story of Arches National Park.

(Geological Survey Bulletin 1393)

Bibliography: p.

Includes index.

Supt. of Docs. no.: I 19.3:1393

1. Geology—Utah—Arches National Park—Guide-books.

2. Arches National Park, Utah—Guide-books.

I. Title. II. Series: United States Geological Survey

Bulletin 1393.

QE75.B9 No. 1393 [QE170.A7] 557.3′08s [557.92′58]

74-23324

For sale by the Superintendent of Documents, U. S. Government Printing Office
Washington, D. C. 20402
Stock Number 024-001-02598-1