01099nam a2200337Ia 4500 130676 BIBL 20160527191646.0 840411s1985 dcua b f000 0 eng 84600077 //r88 3.00 (OCoLC)10726698 024-001-03535-9 GPO DLC DLC GPO nwpr--- PUXA QE462.P6 C69 1985 624 553.4/3/0972953 19 I 19.16:1327 Cox, Dennis P. Local 81676 Geology of the Tanamá and Helecho porphyry copper deposits and vicinity, Puerto Rico by Dennis P. Cox. Washington U.S. G.P.O. 1985. iv, 59 p. ill. 29 cm. U.S. Geological Survey professional paper 1327 Local 182296 One map on folded leaf in pocket. Bibliography: p. 58-59. Porphyry Puerto Rico Tanamá Region. Local 152661 Copper ores Puerto Rico Tanamá Region. Local 80613 Puerto Rico Local 155382 110285 110285 0 0 0 553_430000000000000_C877G 0 ci 152162 10 10 B 2016-05-27 197497 0 553.43 C877g 80000001549172 2016-05-27 00:00:00 r:130676 z:NCC:D 6