JAHNS R.H. MICA DEPOSITS OF THE PETACA DISTRICT RIO ARRIBACOUNTY MEW MEXICO NMBM BULL 25 1946 P 183- 185REDMON D.E. RECONNAISSANCE, PEGMATITE USBM I.C. 80131961 P 19, 33-35BINGLER E.C. GEOLOGY, RIO ARRIBA NMBM BULL. 91 1968P 122JAHNS R.H. GEOLOGY, MINING, AND USES OF STRATEGIC PEGMA-TITES TRANS AIME V 190 JAN. 1951 MINING ENG. P 52HILDERT L.S. URANIUM RESOURCES OF NORTHWESTERN NEW MEXICOUSGS P.P. 603 1969 P 47NMBM MINES INDEXNM BOM CIR 77