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Explore Search: northern United States

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Morphological characteristics and growth of northern pike in waters of the United States

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Chloride in Groundwater and Surface Water in Areas Underlain by the Glacial Aquifer System, Northern United States

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Occurrence and distribution of iron, manganese, and selected trace elements in ground water in the glacial aquifer system of the northern United States

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Chronology and references of volcanic eruptions and selected unrest in the United States, 1980-2008

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Lichens in northern Michigan

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Illuminating Northern California’s Active Faults

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The Saga of Leafy Spurge (Euphorbia esula) in the Northern Great Plains

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Review of the geologic history of the Pontchartrain Basin, northern Gulf of Mexico

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Modified Mercalli Intensity Assignments for the May 16, 1909, Northern Plains Earthquake

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Hydrology of Northern Utah Valley, Utah County, Utah, 1975-2005

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Bathymetry and acoustic backscatter: Northern Santa Barbara Channel, Southern California

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EAARL coastal topography — Northern Gulf of Mexico, 2007: Bare earth

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EAARL Coastal Topography - Northern Gulf of Mexico, 2007: First surface

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Mineral-resource assessment of northern Nye County, Nevada— A progress report

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Modeling co-occurrence of northern spotted and barred owls: accounting for detection probability differences

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Three-dimensional numerical model of ground-water flow in northern Utah Valley, Utah County, Utah

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Summary of survival data from juvenile coho salmon in the Klamath River, northern California, 2009

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Groundwater quality data for the northern Sacramento Valley, 2007: Results from the California GAMA Program

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Breeding-season sympatry facilitates genetic exchange among allopatric wintering populations of Northern Pintails in Japan and California

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Does winter region affect spring arrival time and body mass of king eiders in northern Alaska?

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Changes in vegetation in northern Alaska under scenarios of climate change, 2003-2100: Implications for climate feedbacks

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Integrating terrestrial LiDAR and stereo photogrammetry to map the Tolay lakebed in northern San Francisco Bay

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Relations between fish abundances, summer temperatures, and forest harvest in a northern Minnesota stream system from 1997 to 2007

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Spatial and temporal diet segregation in northern fulmars Fulmarus glacialis breeding in Alaska: Insights from fatty acid signatures

Photography
USGS employee sampling an urban groundwater well

USGS employee sampling an urban groundwater well
Photography
Sitting in front of a corn field, a USGS scientist takes notes while groundwater flows through tubing from a nearby well

Sampling recharged groundwater quality beneath an agricultural field
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Using a coupled groundwater/surface-water model to predict climate-change impacts to lakes in the Trout Lake Watershed, northern Wisconsin

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How does landscape structure influence catchment transit time across different geomorphic provinces?

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Seasonal shifts in shelter and microhabitat use of drymarchon couperi (eastern indigo snake) in Georgia

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Oblique Aerial Photography of the Arctic Coast of Alaska, Nulavik to Demarcation Point, August 7-10, 2006

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