JAHNS R.H. MICA DEPOSITS OF THE PETACA DISTRICT, RIO ARRIBACOUNTY, NEW MEXICO NMBM BULL. 25 1946 P 192- 193REDMON D.E. RECONNAISSANCE OF SELECTED PEGMATITE DISTRICTSIN NORTH-CENTRAL NEW MEXICO USBM I.C. 8013 1961 P 19,33- 35BINGLER E.C. GEOLOGY AND MINERAL RESOURCES OF RIO ARRIBACOUNTY, NEW MEXICO NMBM BULL. 91 1968 P 122NMBM MINES INDEX