000 00328 am a2200121 a 4500
100 1 _a
_d
245 1 _aWashed soils
_bHow to prevent and reclaim them
260 _aWashington
_c1894
300 _a1-22 p.
942 _2udc
_cB
440 _aSoils United States Department of Agriculture. Farmers Bulletin No. 20
901 _aS48781
999 _c104948
_d104948