Search Results for the EPA National Library Catalog

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Direct Delayed Response Project Soil Characterization Comparison Project Summary 1992
Direct/delayed response project : definition of soil sampling classes and selection of sampling sites for the Northeast / 1989
Direct/delayed response project : field operations and quality assurance report for additional watershed mapping in the Mid-Appalachian region of the United States / 1990
Direct/delayed response project : field operations and quality assurance report for additional watershed mapping in the Northeastern region of the United States / 1990
Direct/delayed response project : future effects of long-term sulfur deposition on stream chemistry in the Mid-Appalachian Region of the Eastern United States / 1992
Direct/delayed response project : future effects of long-term sulfur deposition on stream chemistry in the Mid-Appalachian Region of the Eastern United States / 1992
Direct/delayed response project : quality assurance plan for preparation and analysis of soils from the Mid-Appalachian Region of the United States / 1988
Direct/Delayed Response Project : quality assurance plan for preparation and analysis of soils from the Mid-Appalachian Region of the United States / 1989
Direct/Delayed Response Project : quality assurance plan for preparation and analysis of soils from the Mid-Appalachian Region of the United States / 1989
Direct/delayed response project : quality assurance report for physical and chemical analysis of soils from the Southern Blue Ridge Province of the United States / 1988
Direct/delayed response project : soil characterization comparison / 1992
Direct/delayed response project : soil characterization comparison / 1992
Direct/Delayed Response Project: Field Operations and Quality Assurance Report for Soil Sampling in the Mid-Appalachian Region of the United States. 1990
Direct/Delayed Response Project: Quality Assurance Report for Physical and Chemical Analyses of Soils from the Northeastern United States. 1989
Ensuring the Quality of Geographic Information System Data: A Practical Application of Quality Control. 1989
Environmental Protection Agency's Direct/Delayed Response Project: The Role of a Geographic Information System. 1987
Estimating critical loads of sulfate to surface waters in the Northeastern United States : a comparative assessment of three procedures for estimating critical loads of sulfate for lakes / 1991
Field Operations and Quality Assurance/Quality Control for Direct/Delayed Response Project Soil Mapping Activities in the Southern Blue Ridge Region. 1988
Geographic information system documentation of watershed data for Direct/Delayed Response Project, northeast database / 1989
Geographic Information System Documentation of Watershed Data for Direct/Delayed Response Project. Southern Blue Ridge Province Database. 1989
Predicting and forecasting surface water acidification: a planfor assessing data aggregation effects / 1991
Regional Characteristics of Land Use in Northeast and Southern Blue Ridge Province: Associations with Acid Rain Effects on Surface-Water Chemistry. 1991
Regional Relationships between Geomorphic/Hydrologic Parameters and Surface Water Chemistry Relative to Acidic Deposition. 1989
Relationship between Annual Runoff and Watershed Area for the Eastern United States. 1988
Watershed Manipulation Project Quality Assurance Implementation Plan: FY 90-93. 1993
Watershed Manipulation Project: Field Implementation Plan for 1986-1989. 1991
Watershed manipulation project: quality assurance implementation plan for 1986-1989, {microfiche} / by Heather E. Erickson, Marilyn Morrison, Jeffrey Kern, Larry Hughes, James Malcolm and Kent Thornton. 1991
Watershed manipulation project: rationale for hypothesis formulation and testing, {microfiche} / by Kent W. Thornton, et al. 1991
Watershed Surveys to Support an Assessment of the Regional Effects of Acidic Deposition on Surface Water Chemistry. 1989

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