TY  - BOOK
AU  - Huberty,Martin R.
AU  - Flock,Warren L.
TI  - Natural resources,
T2  - University of California engineering extension series
U1  - 333 
PY  - 1959///
CY  - New York
PB  - McGraw-Hill
KW  - Natural resources
N1  - Includes bibliography
ER  -