TY  - BOOK
AU  - Allen, Shirley Walter .
TI  - Conserving Natural Resources: Principles and Practice in a Democracy
U1  - 553 
PY  - 1959///
CY  - New York
PB  - McGraw - Hill book company
KW  - Geology
KW  - Natural Resources
KW  - G-Geology
N1  - Index
ER  -