Search Results for the EPA National Library Catalog

Items Found: 18
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Your Search: (AUTHOR=Becher AND D)


 
 
 
Select Item Title Year Published
American environmental leaders : from colonial times to the present / 2008
American environmental leaders : from colonial times to the present / 2000
Biodiversity : a reference handbook / 1998
Carbonate rocks of Cambrian and Ordovician age in the Lancaster quadrangle, Pennsylvania / 1968
Detergents as They Affect the Sewage Treatment Plant. 1957
Emulsions; theory and practice. 1957
Evaluation of the National Environmental Specimen Bank survey / 1977
Geohydrology and water quality in the vicinity of the Gettysburg National Military Park and Eisenhower National Historic Site, Pennsylvania / 1989
Ground water in Pennsylvania, 1970
Groundwater and geology of the Cumberland Valley, Cumberland County, Pennsylvania / 1981
Groundwater resources in and near the anthracite basins of Schuylkill and adjacent counties, Pennsylvania / 1991
Groundwater resources in the Cumberland and Contiguous valleys of Franklin County, Pennsylvania / 1982
Hydrogeology of the carbonate rocks of the Lancaster 15-minute quadrangle, southeastern Pennsylvania, 1971
Hydrology of the carbonate rocks of the Lancaster 15-minute quadrangle, Pennsylvania, 1966
Investigation of the Fracture Characteristics of Synthetic Welded Joints of Medium Strength Steel n-A-Xtra 70. 1970
PAH in work atmospheres : occurrence and determination 1986
Study of the performance of Dowpac HCS when applied to the treatment of settled sewage from the city of Battle Creek, Michigan 1958
Water quality in the eastern Iowa basins, Iowa and Minnesota, 1996-98 / 2000

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