Mackenthun, Kenneth Marsh , 1919- Ingram, William Marcus , 1913- <br/><br/>
Biological associated problems in fresh water environments : their identification , investigation and control 
[by] Kenneth M. Mackenthun [and] William Marcus Ingram 
 -  U.S. Dept. of the Interior, Federal Washington  1967  [1967] 
 - x, 287 p. : ill. ; 23 cm. 
<br/><br/> Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water - Pollution - Environmental aspects - United States<br/>Fresh-water biology - United States<br/>Aquatic pests<br/>Lakes - Recreational use--QH
<br/><br/><label>LC Class. No.: </label>QH96.M26