TY  - SER
AU  - Flamm,Barry R.
TI  - United States Department of agriculture: its role in protection of our heritage environment. 
T2  - American Antiquity. Journal of the Society for American Archaeology ; 
PY  - 1981///
CY  - Estados Unidos-US : 
PB  - Society for American Archaeology, 
KW  - AGRICULTURA
KW  - MEDIO AMBIENTE
ER  -