Geochemical prospecting investigations in the Nyeba lead-zinc district, Nigeria /
Hawkes, Herbert Edwin,1912-
Washington, [D.C.] : U.S. G.P.O.,
1954.
Prepared in cooperation with the Geological Survey of Nigeria under the auspices of the Mutual Security Agency.
Includes index.
Bibliography: p. 100-101.
Geochemical prospecting