000 00304 a2200109 4500
080 _a631.67
_bP 984
245 1 _aPunjab Irrigation Branch Papers No. 11 C
650 _aIrrigation
500 _aExperiments of 1908-10 on lining of water-courses to reduce absorption losses
100 _a
_d
901 _a15366
999 _c45170
_d45170