Page 4 - Geologic Investigations in the Lake Valley Area, Sierra County, New Mexico

U.S. Department of the Interior
Gale A. Norton, Secretary
U.S. Geological Survey
Charles G. Groat, Director
Version 1.0
First Printing 2002
For sale by U.S. Geological Survey, Information Services Box 25286, Federal Center
Denver, CO 80225
This report is also available online at:
http://geology.cr.usgs.gov/pub/ppapers/p1644/
Published in the Central Region, Denver, Colorado Manuscript approved for publication March 30, 2001 Graphics by authors and Gayle M. Dumonceaux Photocomposition by Gayle M. Dumonceaux
Edited by Lorna Carter
Any use of trade, product, or firm names in this publication is for descriptive purposes only and
does not imply endorsement by the U.S. Government
Library of Congress Cataloging-in-Publication Data
Geologic investigations in the Lake Valley area, Sierra County, New Mexico / by J.M. O’Neill, editor.
p. cm.—(U.S. Geological Survey professional paper ; 1644)
Includes bibliographical references.
1. Geology—New Mexico—Lake Valley Region (Sierra County). 2. Mines and mineral
resources—New Mexico—Lake Valley Region (Sierra County). II. Series.
QE144.L33 G46 2002 557.3 s—dc21 [557.89′67]
I. O’Neill, J. Michael.
2001033355
ISBN: 0-607-96957-1