Nonfuel mineral resources in the United States-Mexico border region : a progress report on information available from the Center for Inter-American Mineral Resource Investigations (CIMRI) /
Orris, G. J.
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Map Distribution,
1993.
Includes bibliographical references (p.18-19).
Mines and mineral resources