000 00402nam a2200133Ia 4500
082 _a630.7
_bAGR
245 _aAgriculture people and the land
_bteacher's guide
_cPrepared by social science staff of the educational research council of America
250 _a2nd
260 _aBoston
_bAllyn and Bacon
_c1975
300 _biii,249p
546 _aeng
650 _aAgriculture-Research
_969554
942 _cBK
999 _c71589
_d71589