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Little Powder River above Dry Week, near Weston, Wyoming

Groundwater/Surface-Water Interaction

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Zirconium and hafnium

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A geochemical module for "AMDTreat" to compute caustic quantity, effluent quantity, and sludge volume

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Persistent organic pollutants in the blood of free-ranging sea otters (Enhydra lutris ssp.) in Alaska and California

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Environmental Setting of the Granger Drain and DR2 Basins, Washington, 2003-04

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Trends of brominated diphenyl ethers in fresh and archived Great Lakes fish (1979-2005)

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Mineral resource of the month: boron

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A holistic passive integrative sampling approach for assessing the presence and potential impacts of waterborne environmental contaminants

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of wastewater compounds by polystyrene-divinylbenzene solid-phase extraction and capillary-column gas chromatography/mass spectrometry

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Strontium isotope geochemistry of groundwaters and streams affected by agriculture, Locust Grove, MD

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An in vivo model fish system to test chemical effects on sexual differentiation and development: exposure to ethinyl estradiol

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The Bear Brook Watershed, Maine (BBWM), USA

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Multiple stresses from a single agent: Diverse responses to the experimental acidification of Little Rock Lake, Wisconsin

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Chlorinated hydrocarbon insecticides

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Cotton herbicides in the surface waters of the Mississippi Alluvial Plain (the Delta)

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Preliminary assessment of the occurrence and possible sources of MTBE in groundwater in the United States, 1993-1994

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Carrier effects of dosing the h4iie cells with 3,3′,4,4tt´etrachlorobiphenyl (PCB77) in dimethyl sulfoxide or isooctane

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Ground-Water Quality in the Caguas-Juncos Valley, Puerto Rico, April to October 1990

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Applications of isotopes to tracing sources of solutes and water in shallow systems

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Bioindicators used in aquatic and terrestrial monitoring

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Organochlorines accumulate in heron and egret chicks sampled in the Houston Ship Channel

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UTILIZATION OF GEOGRAPHIC INFORMATION SYSTEMS TECHNOLOGY IN THE ASSESSMENT OF REGIONAL GROUND-WATER QUALITY.

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A summary of phosphate-rock resources of the United States-an analysis of past estimates

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An electric beam trawl for the capture of larval lampreys

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Rodent-repellent studies. III. Advanced studies in the evaluation of chemical repellents

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Assessing the ecological risks of per‐ and polyfluoroalkyl substances: Current state‐of‐the science and a proposed path forward

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Acute toxicity of the lampricides TFM and niclosamide: Effects on a vascular plant and a chironomid species

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USGS scientists collecting lake-bottom sediments

WaterMarks Newsletter - Summer 2022
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Persistent organic pollutants in fat of three species of Pacific pelagic longline caught sea turtles: Accumulation in relation to ingested plastic marine debris

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Unconventional oil and gas spills: Materials, volumes, and risks to surface waters in four states of the U.S.

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