Search Results for the EPA National Library Catalog

Items Found: 7
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Your Search: (AUTHOR=Ludwig AND John AND A)


 
 
 
Select Item Title Year Published
Flora of Virginia / 2012
Impregnation of concrete pipe / 1971
Landscape ecology, function and management : principles from Australia's rangelands / 1997
Report of trip to meeting of the working party to study methods of measuring air pollution and survey techniques 1961
Restoring Disturbed Landscapes Putting Principles into Practice / [electronic resource] : 2011
Seminar on air pollution by motor vehicles 1970
The November-December 1962 air pollution episode in the Eastern United States / 1964

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