TY  - BOOK
AU  - Allen, Shirley W.
TI  - Conserving natural resources: principles and practice in a democracy
U1  - 333.72 21st ed.
PY  - 1955///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Conservation of natural resources
KW  - Mines and mineral resources
KW  - Soil conservation
KW  - Water conservation
KW  - Wildlife conservation
N1  - Index: p. 337-47
ER  -