SEC 38 BLOCK 60 G S AND S A RR CO SURVEYWEST CHINATI STOCK AREAMINERALIZED ZONE OF FISSURE VEINS IN PORPHYRITIC HORN-BLENDE GRANITEORE MINERALS-GALENA SPHALERITE CERAGYRITE ARGENTITECHALCOPYRITE MALACHITE AZURITE CHRYSOCOLLA FLUORITEMCANULTY W N SR MINERAL DEPOSITS IN THE WEST CHINATISTOCK CHINATI MTNS PRESIDIO CO TEXAS BUR ECON GEOLOGYUNIV TEXAS AUSTIN GEOL CIRCULAR 72-1 1972