Search Results for the EPA National Library Catalog

Items Found: 21

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Your Search: (SUBJECT=Ecology Pennsylvania.)

 
 
 

Select Item Title Year Published
A study of the relationship between chemical water quality and fish and benthic macroinvertebrate diversitry in French Creek, Chester County, Pennsylvania / 1971
An investigation of potential environmental hazards at Tinicum National Environmental Center, Philadelphia and Delaware Counties, Pa. / 1986
Atlantic Coast ecological inventory, Baltimore, Md.--Pa.--Va.--W.Va. 1980
Atlantic Coast ecological inventory, Newark, N.J.--N.Y.--Pa. 1980
Atlantic Coast ecological inventory, Wilmington, Del.--Md.--N.J.--Pa. 1980
Blue Marsh Lake Project, Tulpehocken Creek, Pennsylvania, final environmental statement. 1971
Corridor management for pastureland streams / 1994
Effects of streambank fencing on stream ecosystem integrity : interim report / 1997
Impact of urbanization on the hydrology of Pocono Creek Watershed a model study / [electronic resource] : 2006
Implementation plan review for Pennsylvania as required by the Energy supply and environmental coordination act. 1975
Level III and IV ecoregions of Pennsylvania and the Blue Ridge Mountains, ridge and valley, and central Appalachians of EPA region 3 1995
Listing of aquatic biological stream investigations : June, 1968 to January, 1974 / 1974
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline Impact assessment data base. 1979
Pennsylvania baseline. Part 1, General information / 1979
Pennsylvania baseline. Part 2, Impact assessment data base. 1979
Pennsylvania baseline. Part 2, Impact assessment data base. 1979
Status and recent trends of wetlands in five mid-atlantic states 1986
Wetlands ecology and conservation emphasis in Pennsylvania / 1989

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