000 00518nam a2200193#a 4500
001 vtls000003026
008 230822s1949 xx 000 0 eng d
040 _aJPS
090 0 0 _aUSDI 2 632.954 UNI
110 _aUSDI.
_eissuing body
245 0 _aCONTROL OF WEEDS ON IRRIGATION SYSTEMS
260 _aWashington : United States Dept. of the Interior,
_c1949
300 _a140p ; illus.
546 _aENG
650 1 0 _aWEED CONTROL.
942 _cMONO
990 _a1949
999 _a01182
_a632.954 UNI
_aVIRTUA40
_c1954
_d1954
003 JPS