000 00360nam a2200121Ia 45e0
008 180110s1954 xx 000 0 und d
082 _a631.4
100 _aUSDOA
245 2 _aA Manual on Conservation of Soil and Water
260 _aWashington
_bU.S. Government Printing Office
_c1954
300 _aiv,207p; 2
942 _2ddc
_cBK
999 _c2261
_d2261