TY - BOOK AU - Escritt,L.B. ED - MacDonald & Evans TI - Sewerage and sewage disposal T2 - His Public health engineering practice SN - 712116419 U1 - 628.2 23 PY - 1972/// CY - London PB - Macdonald & Evans KW - Sewerage KW - Sewage disposal N1 - includes bibliographical references and index ER -