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United States Environmental Protection Agency
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Items Found: 369
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1984-85 bacteriological water quality at Belleville, Bay of Quinte
25-year plan for the Great Lakes : executive summary /
25-year plan for the Great Lakes : responsiveness summary /
A checklist of Ontario freshwater fishes : annotated with distribution maps /
A comparison of tree stem taper models for use in Ontario /
A green strategy for the greater Toronto waterfront : background and issues : a discussion paper /
A phosphorus diet for the lower lakes : executive summary of the U.S. Task Force plans for phosphorus load reductions to Lake Erie, Lake Ontario, and Saginaw Bay.
A remote sensing technique to monitor Cladophora in the Great Lakes /
A review of Lake Ontario water quality with emphasis on the 1981-1982 intensive years : a report to the Surveillance Subcommittee of the Great Lakes Water Quality Board /
A Silvicultural guide for the tolerant hardwoods working group in Ontario /
A steady state mass balance and bioaccumulation model for toxic chemicals in Lake Ontario /
A survey of attitudes towards water quality in communities along the Canadian side of the Niagara River /
A water pollution survey of the Wabigoon River /
Acid rain : a preliminary estimate of the risk to Ontario's inland fisheries /
Acidic precipitation in Ontario study Annual program report /
Aerial photographic analysis of Dodson Brothers Oil Company Ontario, California /
Agricultural NPS control of phosphorus in the New York State, Lake Ontario basin.
Agricultural NPS Control of Phosphorus in the New York State, Lake Ontario Basin. Volume 1. Delivery of Phosphorus to Lake Ontario from Cultivated Mucklands in Oak Orchard Creek Watershed.
Agricultural NPS Control of Phosphorus in the New York State, Lake Ontario Basin. Volume 2. Fertilizer Trials on Organic Soils in the Lake Ontario Drainage Basin.
Agricultural NPS Control of Phosphorus in the New York State, Lake Ontario Basin. Volume 3. The Influence of Tillage on Phosphorus Losses from Manured Cropland.
Agricultural sources, transport and storage of metals : copper, zinc, cadmium and lead levels in waters of selected southern Ontario agricultural watershed : technical report on project 9B to agricultural watershed studies /
Alachlor monitoring of Ontario drinking water, May--November, 1985.
Algal nutrient availability and limitation in Lake Ontario during IFYGL : part I : available phosphorus in urban runoff and Lake Ontario tributary waters /
Algal nutrient availability and limitation in Lake Ontario during IFYGL : Part II. Nitrogen available in Lake Ontario tributary water samples and urban runoff from Madison, Wisconsin /
Algal nutrient availability and limitation in Lake Ontario during IFYGL, part III : algal nutrient limitation in Lake Ontario during IFYGL /
Algal nutrient availability and limitation in Lake Ontario during IFYGL, part III : appendices to Part III. algal nutrient limitation inLake Ontario during IFYGL /
Algal Nutrient Availability and Limitation in Lake Ontario During IFYGL. Appendices to Part I. Available Phosphorus in Urban Runoff and Lake Ontario Tributary Waters.
Algal Nutrient Availability and Limitation in Lake Ontario during IFYGL. Appendices to Part III. Algal Nutrient Limitation in Lake Ontario during IFYGL.
An ecological model for Lake Ontario model formulation, calibration, and preliminary evaluation /
An evaluation of hazardous chemicals in Lake Ontario during IFYGL /
An evaluation system for wetlands of Ontario south of the Precambrian Shield : draft /
An illustrated key to the planktonic rotifers of the Laurentian Great Lakes /
An investigation of the nearshore region of Lake Ontario IFYGL.
Analysis, Modeling and Forecasting of Stochastic Water Quality Systems. Volume I.
Annotated bibliography of Lake Ontario limnological and related studies. /
Annotated bibliography of Lake Ontario limnological and related studies. Prepared for Office of Research and Monitoring, U.S. Environmental Protection Agency.
Annual report on Michigan-Ontario air pollution /
Appendix to investigation of toxicity control at American Can Limited, Kraft Mill, Marathon, Ontario /
Asbestos Fiber Concentrations in the Drinking Water of Communities Using the Western Arm of Lake Superior as a Potable Water Source.
Assessing the effects of transboundary pollution on New York's air quality : final report /
Assessment of heavy metals and PCB's at selected sludge application sites in Ontario /
Assessment of the effects of nutrient loadings on Lake Ontario using a mathematical model of the phytoplankton /
Atlas of the distribution of fish within the Canadian tributaries of western Lake Superior
Atmospheric deposition of toxic substances to the Great Lakes : IADN results to 1998 /
Atmospheric dry deposition of PAHs and trace metals to Lake Ontario and Lake Huron /
Biological survey of the Lake Ontario watershed (including all waters from Little Sandy Creek westward except the Genesee and Oswego River systems) Supplemental to the twenty-ninth annual report, 1939.
Biological survey of the Oswegatchie and Black river systems. (Including also the lesser tributary streams of the upper St. Lawrence river and of northeastern lake Ontario) Supplemental to Twenty-first annual report, 1931.
Biological survey of the St. Mary's River
Birds of Ontario : habitat requirements, limiting factors, and status /
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