Preliminary Evaluation of Selenium Concentrations in Ground and Surface Water, Soils, Sediment, and Biota from Selected Areas in the Western United States

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An Overview of Sediment Quality in the United States

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Preliminary assessment of sources, distribution, and mobility of selenium in the San Joaquin Valley, California

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Department of the Interior and Related Agencies Appropriations for 1987

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Department of the Interior and Related Agencies Appropriations for 1987: Bureau of Land Management

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Preliminary Survey of Contaminant Issues of Concern on National Wildlife Refuges

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Unfinished Business

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Detailed Study of Selenium in Soil, Water, Bottom Sediment, and Biota in the Sun River Irrigation Project, Freezout Lake Wildlife Management Area, and Benton Lake National Wildlife Refuge, West-central Montana, 1990-92

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Wildlife Management

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Publications of the Geological Survey

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