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Cover image for Geology and ore deposits of the Cachoeira do Campo, Dom Bosco, and Ouro Branco quadrangles, Minas Gerais, Brazil

Geology and ore deposits of the Cachoeira do Campo, Dom Bosco, and Ouro Branco quadrangles, Minas Gerais, Brazil

by Johnson, Robert F., 1916-
1962
Format: Book

Location	Call #	Status
Joyner - General Stacks	QE75 .P9 NO. 341-A-D	✔ Available

Cover image for Geology and ore deposits of the Atacocha District, Departamento de Pasco, Peru

Geology and ore deposits of the Atacocha District, Departamento de Pasco, Peru

by Johnson, Robert F., 1916-
1955
Format: Electronic

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