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Search Results for the EPA National Library Catalog
Items Found: 18
Showing: Items 1 - 18
Your Search: (AUTHOR=Becher AND D)
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Title
Year Published
1
American environmental leaders : from colonial times to the present /
2008
2
American environmental leaders : from colonial times to the present /
2000
3
Biodiversity : a reference handbook /
1998
4
Carbonate rocks of Cambrian and Ordovician age in the Lancaster quadrangle, Pennsylvania /
1968
5
Detergents as They Affect the Sewage Treatment Plant.
1957
6
Emulsions; theory and practice.
1957
7
Evaluation of the National Environmental Specimen Bank survey /
1977
8
Geohydrology and water quality in the vicinity of the Gettysburg National Military Park and Eisenhower National Historic Site, Pennsylvania /
1989
9
Ground water in Pennsylvania,
1970
10
Groundwater and geology of the Cumberland Valley, Cumberland County, Pennsylvania /
1981
11
Groundwater resources in and near the anthracite basins of Schuylkill and adjacent counties, Pennsylvania /
1991
12
Groundwater resources in the Cumberland and Contiguous valleys of Franklin County, Pennsylvania /
1982
13
Hydrogeology of the carbonate rocks of the Lancaster 15-minute quadrangle, southeastern Pennsylvania,
1971
14
Hydrology of the carbonate rocks of the Lancaster 15-minute quadrangle, Pennsylvania,
1966
15
Investigation of the Fracture Characteristics of Synthetic Welded Joints of Medium Strength Steel n-A-Xtra 70.
1970
16
PAH in work atmospheres : occurrence and determination
1986
17
Study of the performance of Dowpac HCS when applied to the treatment of settled sewage from the city of Battle Creek, Michigan
1958
18
Water quality in the eastern Iowa basins, Iowa and Minnesota, 1996-98 /
2000
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