DEFORMATIONAL EFFECTS ON IRON OCCURRENCE AND ORE POTENTIAL AT QUECO.HOFFMAN DJ.1970; ECON. GEOL.; USA; 1970(8), VOL. 65, NUM. 0005, P. 583 A 587Miscellaneous

RELATION OF MAGNETITE CONTENT TO GEOLOGY AT QUECO.HOFFMAN DJ.1970; ECON. GEOL.; USA; 1970(6), VOL. 65, NUM. 0004, P. 511 A 512Miscellaneous

DEFORMATIONAL EFFECTS ON IRON OCCURRENCE AND ORE POTENTIAL AT QUECO.HOFFMAN DJ.1970; ECON. GEOL.; USA; 1970(8), VOL. 65, NUM. 0005, P. 583 A 587Miscellaneous