Earth resources /
Skinner, Brian J. 1928-
Earth resources / Brian J. Skinner. - 2nd ed. - Englewood Cliffs, N. J. : Prentice-Hall, 1976. - 151 p. : ill. ; 24 cm. - Foundations of earth science series. .
Includes index.
013223016X
Mines and mineral resources.
Natural resources--United States.
Earth resources / Brian J. Skinner. - 2nd ed. - Englewood Cliffs, N. J. : Prentice-Hall, 1976. - 151 p. : ill. ; 24 cm. - Foundations of earth science series. .
Includes index.
013223016X
Mines and mineral resources.
Natural resources--United States.