| Reference | {Deposit:: ENGINEERING AND MINING JOURNAL. MEXICO- GROWING INDUSTRY}{Deposit:: WILL TAP EXTENSIVE RESERVES. NOV. 1974, P. 98.}{Deposit:: DEPARTMENT OF STATE. AIRGRAM A-09, JULY 15, 1981, 19 PP.}{Deposit:: DEPARTMENT OF STATE. AIRGRAM A-16. DEC. 14, 1981, 5 PP.}{Deposit:: SIDERMEX. A DESCRIPTION OF THE SIDERMEX GROUP OF COMPANIES.}{Deposit:: COMPANY BROCHURE. 1979(?), 65 PP.} |