Mineral deposits of Central America /
Roberts, Ralph Jackson, 1911-
Mineral deposits of Central America / by Ralph J. Roberts and Earl M. Irving ; With a section on manganese deposits of Panama, by Frank S. Simons. - Washington, [D.C.] : U.S. G.P.O., 1957. - x, 205 p. : ill., maps (some col.) ; 24 cm. + 16 folded maps in case. - Geological Survey bulletin ; 1034 .
"Prepared under the auspices of the International Cooperation Administration, U.S. Dept. of State." Includes index.
Bibliography: p. 195-198.
gs 57000204
Mines and mineral resources--Central America.
QE75 / .B9 no. 1034
553
407 / G29B no.1034
Mineral deposits of Central America / by Ralph J. Roberts and Earl M. Irving ; With a section on manganese deposits of Panama, by Frank S. Simons. - Washington, [D.C.] : U.S. G.P.O., 1957. - x, 205 p. : ill., maps (some col.) ; 24 cm. + 16 folded maps in case. - Geological Survey bulletin ; 1034 .
"Prepared under the auspices of the International Cooperation Administration, U.S. Dept. of State." Includes index.
Bibliography: p. 195-198.
gs 57000204
Mines and mineral resources--Central America.
QE75 / .B9 no. 1034
553
407 / G29B no.1034