000 00431nam a22001457a 4500
003 OSt
008 090807t xxu||||| |||| 00| 0 eng d
082 _a627.8:624.131.32
110 _aIndian standards institution
240 _aIndian standard
245 _aCode of practice for subsurface exploration for earth and rockfill dams
260 _aNew Delhi
_bIndian standards institution
_c1973
653 _aIS:6955-1973
942 _cISI
999 _c336272
_d336272