000 003040000a22001210004500
008 151211b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a627(02)
_bS6
942 _cBK
110 _aSoil conservation service, Washington
245 _aNational engineering handbook
260 _aWashington
999 _c138709
_d138709