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antitoxin approved June approved March April August biennium Board of Health Calhoun County carriers chamber and intermittent city council relative Conference with city County Division Dyersville entire town Epidemiologist February G. H. Sumner Gonorrhea Guilford H housed Imhoff tank housed septic tank included infection influenza inspection intermittent sand filters Iowa City Iowa State Board January July June 30 Lime Springs ment plant consists milk Mitchellville mittent sand filters nurses order-Dr patient physicians Plans and specifica Plans and specifications population Public Health Service public water supply pumping Rockwell City Sanitary Engineer sanitary sewer system Secretary-Executive Officer sewage disposal plant sewage treat sewage treatment plant sewer district sewers and sewage show the entire siphon chamber specifications were approved SUMMARY OF REPORT supply and sewage system and sewage tank and intermittent tank and siphon tions treatment plant consists trickling filter tuberculosis typhoid fever typhoid vaccination vaccine Venereal Disease Wassermann test Water Laboratory