The Common Rocks and Minerals of Missouri

by W. D. Keller

THE COMMON ROCKS AND MINERALS OF MISSOURI

W. D. KELLER

UNIVERSITY OF MISSOURI PRESS • COLUMBIA

University of Missouri Press, Columbia, Missouri 65201

ISBN 0-8262-0585-2

Library of Congress Card Number 67-66173

Printed and bound in the United States of America

All rights reserved

First Edition 1945

Revised Editions 1948, 1961

Reprinted 1971, 1973, 1978, 1986, 1989, 1992, 2004