Mineral Resources of the Ruby Mountains Wilderness Study Area, Madison County, Montana Page: ii
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DEPARTMENT OF THE INTERIOR
DONALD PAUL HODEL, Secretary
U.S. GEOLOGICAL SURVEY
Dallas L. Peck, Director
UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1987
For sale by the
Books and Open-File Reports Section
U.S. Geological Survey
Denver, CO 80225
Library of Congress Cataloging in Publication Data
Mineral resources of the Ruby Mountains Wilderness Study Area,
Madison County, Montana
(U.S. Geological Survey bulletin ; 1724-A)(Mineral resources of
wilderness study areas-southwestern Montana; ch. A)
Supt. of Docs. No.: I 19.3:1724
1. Mines and mineral resources-Montana-Ruby Mountains
Wilderness. 2. Ruby Mountains Wilderness (Mont.)
1. Tysdal, Russell G. II. Series: Geological Survey bulletin ; 1724-A.
III. Series: Mineral resouces of wilderness study areas-southwestern
Montana ; ch. A.
QE75.B9 no. 1724-A 557.3 s
I *S T
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Tysdal, Russell G.; Lee, G. K.; Hassemer, Jerry H.; Hanna, W. F.; Schmauch, S. W. & Berg, Richard B. Mineral Resources of the Ruby Mountains Wilderness Study Area, Madison County, Montana, report, 1987; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc304338/m1/4/: accessed May 26, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.