Search Results for the EPA National Library Catalog

Items Found: 5
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Your Search: (AUTHOR=Porges AND Ralph)


 
 
 
Select Item Title Year Published
Limnological aspects of recreational lakes / by Kenneth M. Mackenthun, William Marcus Ingram, [and] Ralph Porges. 1964
Revaluation of the Missouri-Souris Development Area Water Pollution Investigations. 1956
Summary report of water supply facilities of communities of 25,000 population and over (1954) including state tabulations / by Ralph Porges. 1956
Wastes from the poultry processing industry / 1962
Wastes from the poultry processing industry / 1962

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