TY  - BOOK
AU  - Skinner,Brian J.
TI  - Earth resources
SN  - 013223016X
PY  - 1976///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Mines and mineral resources
KW  - Natural resources
KW  - United States
N1  - Includes index
ER  -