000 00499nam a2200205#a 4500
001 vtls000010778
008 230822s1957 xx 000 0 eng d
040 _aJPS
090 0 0 _aI-1131
110 _aPortland Cement Association.
245 0 _aLining Irrigation Canals
260 _aPortland Cement Association
_c1957
300 _ap.
650 1 0 _aIRRIGATION.
650 2 0 _aIRRIG.
650 2 0 _aPlanning and Design.
651 _aU.S.A., Illinois.
942 _cMONO
999 _aVIRTUA00
_c7467
_d7467
003 JPS