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Cox, Dennis P.

Geology of the Tanama and Helecho porphyry copper deposits and vicinity, Puerto Rico / by Dennis P. Cox. - Washington: United States Government Printing Office, 1985. - iv, 59 p. : ill., maps, tables ; 29 cm. +1 map. - 1327 .

One map on folded leaf in pocket. Conduct map: Geology of the Tanama and Helecho porphyry copper deposits and Vicinity, Puerto Rico.

Includes bibliographical references (p. 58-59).

Subjects--Topical Terms:
Porphyry--Puerto Rico--Tanama Region
Copper ores--Puerto Rico--Tanama Region

Dewey Class. No.: 553.430972953