TY  - BOOK
AU  -  Allen,Shirley Walter
TI  -  Conserving natural resources : :  principles and practice in a democ racy / 
U1  -  333.72 ALL 
PY  - 1959///
CY  -  New York : 
PB  -  McGraw-Hill, 
KW  -  Natural resources
KW  -  United States
ER  -