00260nam a22000977a 4500003000400000008004100004082001700045100001800062245004200080260004000122OSt230919b        |||||||| |||| 00| 0 eng d  a627.52bS12L  aSalley, H. L.  aLining of Earthen Irrigation Channels  aBombaybAsia Publishing Housec1965