Search Results for the EPA National Library Catalog

Items Found: 531
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Select Item Title Year Published
Trees. 1986
Trees: structure and function 1971
Tropical Forest Genetics [electronic resource] / 2007
Tropical Forest Seed [electronic resource] / 2007
Tropical Forests and the Global Carbon Cycle: Estimating State and Change in Biomass Density. 1996
U.S. Forests and Atmospheric Deposition. 1988
Under What Circumstances Can Forest Belts Reduce the Concentration of Waste Gases (In welchem Fall Konnen Waldstreifen die Rauchgaskonzentration Vermindern). 1974
Urban ecosystem analysis Delaware Valley region : calculating the value of nature. 2003
Urban ecosystem analysis for the Washington DC metropolitan area : an assessment of existing conditions and a resource for local action / 2002
Use of forest site index for evaluating terrestrial resources at risk from acidic deposition {microfiche} 1990
Use of quality control procedures to assess errors in measuring forest canopy condition / 1989
Use of sewage sludge for forest-tree seedling production / 1985
User's guide to the personal computer version of the biogenic emissions inventory system (PC-BEIS) / 1990
Variability in Virulence of Heterobasidion annosum Isolates from Pondrosa and Jeffrey Pine in Areas of High and Low Photochemical Air Pollution. 1982
Vegetation and Pollen Relationships in Eastern Canada. 1992
Vegetation Management for Land Treatment of Municipal Wastewater. 1981
Vegetation of the Missouri River Floodplain in North Dakota. 1973
Water quality and mangrove ecosystem dynamics / 1981
Water resources: utilization and conservation in the environment. 1974
Watershed sensitivity measurement strategy for identifying resources at risk from acidic deposition / 1984
Western Conifers Research Cooperative 1987 Research Plan. 1987
Western forests and air pollution / 1992
Wetland hydrology and tree distribution of the Apalachicola River flood plain, Florida / 1983
Wildwood : a journey through trees / 2007
Wind and trees 1995
Winter twigs : a wintertime key to deciduous trees and shrubs of northwestern Oregon and western Washington / 2001
Wood and Tree Fungi Biology, Damage, Protection, and Use / [electronic resource] : 2006
Wood Structure and Environment [electronic resource] / 2007
Work Plan for Determining the Occurrence of Glyphosate, Its Transformation Product AMPA, Other Herbicide Compounds, and Antibiotics in Midwestern United States Streams, 2002. 2003
Worker Exposure to Arsenic in Florida Grapefruit Spray Operations. 1982
Yield Response Curves of Crops Exposed to SO2 Time Series. 1983
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