TY  - BOOK
ED  - United States. Department of Agriculture.
TI  - Using our natural resources: 1983 yearbook of agriculture
U1  - R 630.5 21st ed.
PY  - 1983///
CY  - Washington, D.C.
PB  - U.S. Government Printing
KW  - Agriculture-Periodicals
KW  - Land use
KW  - Natural resources
N1  - Index: pp 566-72
ER  -