000 00377nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aParshall, R.L.
245 _aMeasuring water in irrigation channels with parshall flumes and small weirs
260 _aWashington
_c1950
300 _a1-62 p.
440 _aUnited States Department of A
901 _a31104
942 _cB
_2udc
999 _c6051
_d6051