TY - BOOK ID - 14373981 TI - Farm drainage AU - Jones, Lewis A. AU - US Department of Agriculture ( USDA ) PY - 1952 PB - Washington D.C. USDA DB - UniCat KW - drainage KW - engineering KW - soil improvement UR - https://www.unicat.be/uniCat?func=search&query=sysid:14373981 AB - ER -