By Alexander Iriondo1,2, Michael J. Kunk1, Jeffrey A. Winick1, and CRM3
U.S. Geological Survey Open-File Report 03-020
1 U.S. Geological Survey, Denver, Colorado
2 University of Colorado at Boulder, Boulder, Colorado
3 Consejo de Recursos Minerales, Pachuca, Mexico
Version 1.0
OFR-03-020
PDF File (18.57 MB)
(This version of the report is accessible as defined in Section 508.)
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