TY  - BOOK
T1  - Our plundered planet
A1  - Osborn, Fairfield 1887-
LA  - English
PP  - Boston
PB  - Little
YR  - 1948
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603633799
OP  - 217
CN  - S 623 O28 1948
KW  - Soil conservation.
KW  - Erosion.
KW  - Agriculture.
ER  -