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here - State of Arizona Department of Mines and Mineral Resources

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UNITED STATES DEPARTMENT OF THE INTERIOR<br />

JAMES G. WATT, Secretary<br />

GEOLOGICAL SURVEY<br />

Dallas L. Peck, Director<br />

Library <strong>of</strong> Congress Calalog-card No. GS 68-341<br />

First Printing 1968<br />

Second Printing 19SO<br />

Third Printing 1982<br />

For sale by the Superintendent <strong>of</strong> Documents. U.S. Government Printing Office<br />

Washington, D.C. 20402

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