| References: |
- Deposit:: GOMEZ RUIZ, DAVID, 1961, CRNNR PUB 3E.
- Deposit:: ENGINEERING AND MINING JOURNAL, 1974, NOVEMBER, P. 98-99.
- Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 1693, P. 95.
- Deposit:: TORON VILLEGAS, LUIS, AND ESTEVE TORRES, ADRIAN, 1948, THE PROGRAM FOR THE SYSTEMATIC STUDY OF RAW MATERIAL RESERVES IN THE MEXICAN IRON AND STEEL INDUSTRY BEING CARRIED OUT BY THE BANK OF MEXIC* OFFICE OF INDUSTRIAL RESEARCH: OFICINA DE INVESTIGACIONES INDUSTRIALES DE BANCO DE MEXICO, 23 P.
- Reserve-Resource:: THE 1948 FIGURE IS FROM TORON VILLEGAS AND ESTEVE TORRES, 1948; THE 1974 ESTIMATE WAS PUBLISHED IN EMJ, 1974; AND THE 1961 ESTIMATE IS FROM GOMEZ RUIZ, 1961.
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