TY - BOOK AU - Wooldridge,David D. AU - Stednick,John D. TI - Effects of sludge irrigation on three pacific Northwest forest soils U1 - 628.3 PY - 1980/// CY - Washington, D.C. PB - U.S. Government Printing Office KW - Sewage KW - Purification KW - Sewage sludge ER -