TY - BOOK AU - Farr,E. AU - Henderson,W.C. TI - Land drainage SN - 0582450071 (pbk.) : AV - TC970 .F34 1986 U1 - 631.6 FAR 22 PY - 1986/// CY - London, New York PB - Longman KW - Drainage KW - Agriculture N1 - Includes index ER -