INCORRECTLY SHOWN ON USGS 7.5 MIN QUAD LA MADERA 1953CORRECT LOCATION IS 1300 FT SEINCLUDES SEVERAL PROSPECTS EAST OF MAIN WORKINGSJAHNS R.H. MICA DEPOSITS OF THE PETACA DISTRICT, RIO ARRIBACOUNTY, NEW MEXICO NMBM BULL. 25 1946 P 244- 245REDMON D.E. RECONNAISSANCE OF SELECTED PEGMATITE DISTRICTSIN NORTH-CENTRAL NEW MEXICO USBM I.C. 8013 1961 P 36,BINGLER E.C. GEOLOGY AND MINERAL RESOURCES OF RIO ARRIBACOUNTY, NEW MEXICO NMBM BULL. 91 1968 P 123NMBM MINES INDEX