| | Book | GIFT oF _Mrs. Perry Reynolds aes. tidy 7 aL 2: ae _ The Rock Book Pre sloodl a Joo...Joo of F F: ROCKS , or Mercury Ore, Nevada. Cave Onyx, Mexico, Banded Agate, Germany. AND...MINERALS Pisolites of Hematite Photos by K. E. Lohman and Limonite, Australia. Nodule of Variscite and other...COMPANY, INC. GARDEN CITY, NEW YORK, 1948 PRINTED AT THE Country Life Press, GARDEN CITY, N. ¥., U. 8. A... ALL RIGHTS RESERVED Acknowledgments A BOOK of this type necessarily goes far beyond the authors’ | | | Report (edition) | UNIVERSITY OF MINNESOTA Minnesota Geological Survey PAUL K. SIMS, DIRECTOR BULLETIN 37 PHOTOGRAPH...GEORGE A. THIEL with the assistance of Peggy Harding Love The University of Minnesota Press, MinncajJolis...MinncajJolis Copyright 195.4,19138 by the UNIVERSITY OF MINNESOTA All rights resen'ed PRINTED AT THE JONES PRESS...PRESS, INC., MINNEAPOLIS 3~2 Revised edition Library of Congress Catalog Card Number; 54-6370 PUBLISHED...THE MEMORY OF JUNIOR F. HAYDEN enthw;iastic naturalist and benefactor of the Departments of Botany and |
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