TY  - BOOK
AU  - Smith Guy Harold Ed.
TI  - Conservation of natural resources
SN  - 0 471801925
U1  - U671.73, J8;L1/TD3 
PY  - 1971///
CY  - New York
PB  - John Wiley & Sons U S A   
KW  - Geography
N1  - Bib chapterwise
ER  -