Cox, Dennis P.
Geology : / Dennis P. Cox. - Washington : U.S. G.P.O., 1985. - iv, 59 p. : ill. ; 29 cm.
One map on folded leaf in pocket.
Bibliography: p. 58-59.
84600077
Porphyry--Puerto Rico--Tanamá Region.
Copper ores--Puerto Rico--Tanamá Region.
QE462.P6 / C69 1985
551 / COG
I 19.16:1327
Geology : / Dennis P. Cox. - Washington : U.S. G.P.O., 1985. - iv, 59 p. : ill. ; 29 cm.
One map on folded leaf in pocket.
Bibliography: p. 58-59.
84600077
Porphyry--Puerto Rico--Tanamá Region.
Copper ores--Puerto Rico--Tanamá Region.
QE462.P6 / C69 1985
551 / COG
I 19.16:1327