000			00329nam a2200133Ia 4500
008			130223s9999 xx 000 0 und d
245			_aOur heritage of land and water resources
260			_aWisconsin
260			_c1966
300			_a44 p.
440			_aNo. 7; American Society of Agr
901			_pS17239
942			_cB _2udc
999			_c129006 _d129006