000 00311 am a2200121 a 4500
100 1 _aMitra, S.K.
245 1 _aMenace of soil erosion in Assam
260 _aShillong
_c1939
300 _a1-4 p.
942 _2udc
_cB
440 _aSoil, Erosion Assam Department of Agriculture. Bulletin No. 6
901 _aS55056
999 _c113282
_d113282