000 00304nam a2200109Ia 4500
008 191031s9999 xx 000 0 und d
100 _aUnited states dept. of agri.
245 2 _aA manual on conservation of soil and water
260 _b"International book centre, CBE"
365 _b3.00
942 _cBK
999 _c193586
_d193586