TY  - BOOK
AU  - Whitaker,J.Russell
AU  - Ackerman,Edward A.
TI  - American resources: their management and conservation 
PY  - 1951///
CY  - New York
PB  - Harcourt
KW  - Natural resources
KW  - United States
KW  - Management
KW  - Conservation of natural resources
KW  - Land use
N1  - Includes index
ER  -