Contents

INTRODUCTION

LOCATION

HISTORICAL BACKGROUND OF RESEARCH

STRATIGRAPHY

QUATERNARY

THE GEOLOGIC STRUCTURE OF FOSSIL BASIN

PALEONTOLOGY

PALEOECOLOGY AND TAPHONOMY

GLOSSARY

REFERENCES

BIBLIOGRAPHY

ACKNOWLEDGMENTS

Transcriber's Notes

As the Nation’s principal conservation agency, the Department of the Interior has basic responsibilities for water, fish, wildlife, mineral, land, park, and recreational resources. Indian and Territorial affairs are other major concerns of America’s “Department of Natural Resources.” The Department works to assure the wisest choice in managing all our resources so each will make its full contribution to a better United States—now and in the future.

This publication is one in a series of research studies devoted to special topics which have been explored in connection with the various areas in the National Park System. It is printed at the Government Printing Office and may be purchased from the Superintendent of Documents, Government Printing Office, Washington, D.C. 20402.

Library of Congress Cataloging in Publication Data

McGrew, Paul Orman, 1909-

The geological history of Fossil Butte National Monument and Fossil Basin.

(National Park Service occasional paper; no. 3)

Bibliography: p.

Includes index.

1. Geology—Wyoming—Fossil Butte National Monument.

2. Geology, Stratigraphic—Eocene.

3. Paleontology—Eocene.

4. Fossil Butte National Monument, Wyo.

I. Casilliano, Michael, joint author.

II. Title.

III. Series: United States. National Park Service. National Park Service occasional paper; no. 3.

QE182.F67M3 557.87'82 75-17511