SURVEY NO. 526. PATENTEDHAD LARGEST PRODUCTION OF HOPEWELL DISTRICTCOUNT, NEW MEXICO NMBM BULL. 91 1968 P 77- 80BENJOVSKY T.D. RECONNAISSANCE, HEADSTONE NMBM CIRC. 111945 P 3, 4, PLATE 1LINDGREN ET AL. ORE DEPOSITS OF NEW MEXICO USGS P.P. 681910 P 128, 129, 130JONES F.A NEW MEXICO MINES AND MINERALS SANTA FE 1904P 166NMBM MINES INDEX