Postal, A. Williams
The mineral resources of Africa / A. Williams Postal - New York : Pennsylvania University Press , 1943 - 105p. : ill. ; 15 cm. - African hanbook .
Includes bibliographical references and index.
Natural resources--Africa
Mines and mineral resources
Minerals
553.1 / POS
The mineral resources of Africa / A. Williams Postal - New York : Pennsylvania University Press , 1943 - 105p. : ill. ; 15 cm. - African hanbook .
Includes bibliographical references and index.
Natural resources--Africa
Mines and mineral resources
Minerals
553.1 / POS