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<br />n <br />Copyright ®1890 by the <br />Society for Mining, Metallurgy, and Exploration, Inc. <br />Printed In the United States of America <br />by Port City Press, Ina, Baltimore, Maryland <br />All rlphis reserved. This book or pans thereof, may not be <br />~~ ~ repeoduxd In any loan ~wld~out pvrmWlon oT thv pubtlvhvr. <br />Library of Congress Catalog Card Number 90-62378 <br />ISBN 0-87335-102-8 <br />