ODH Bulletin No.0575 & 0591: Small Sewage Treatment Systems, Small Water System Manual (Division of Environmental Sanitation) 

 - Oklahoma State Department of Health  1959 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Resources<br/>ENVIRONMENT.<br/>WATER.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>U.S.A, Oklahoma.