TY  - BOOK
AU  - Owen,Oliver S.
TI  - Natural resource conservation: an ecological approach 
U1  - 333.720973 
PY  - 1971///]
CY  - New York
PB  - Macmillan
KW  - Conservation of natural resources
KW  - United States
KW  - Ecology
N1  - Includes index
ER  -