00749nam a2200253 a 450000100060000000300080000600500170001400800410003103500190007204000270009104100080011808200220012610000340014824500760018225000120025826000360027030000330030650000190033965000160035865000260037465000190040065000180041970000580043767076BD-RjUL20211209081619.0170322s1950    nyua     b    001 0 eng    a(BD-RjUL)67207  aDLCcFMUdBD-RjULbeng  aeng  a628223bEHM 19501 aEhlers, Victor Marcus,d1884-10aMunicipal and rural sanitation /cVictor M. Ehlers and Ernest W. Steel.  a4th ed.  aNew York :bMcGraw-Hill,c1950.  axi, 548 p. :bill. ;c24 cm.  aIncludes index 0aSanitation. 0aSanitary engineering. 0aPublic health. 0aRural health.1 aSteel, E. W.q(Ernest William),d1893-ejoint author.