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Illinois

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Water Resources Data, Illinois, Water Year 1998

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Summer Ephemeroptera, Plecoptera, and Trichoptera (EPT) species richness and community structure in the lower Illinois River basin of Illinois

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Estimated water withdrawals and use in Illinois, 1992

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Geologic map of the Thebes quadrangle, Illinois and Missouri

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Upper crust beneath the central Illinois basin, United States

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Increasing reactivity of Illinois coal for use in IGCC processes

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Without firing a shot seismic exploration of the Illinois Basin

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Radium in ground water from public-water supplies in northern Illinois

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Collage of USGS Maps.

Three-dimensional geologic maps of Quaternary sediments in east-central Illinois

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Quaternary grabens in southernmost Illinois: Deformation near an active intraplate seismic zone

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Nektonic invertebrate dynamics and prolonged summer flooding on the lower Illinois River

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Tools for groundwater protection planning: An example from McHenry County, Illinois, USA

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Volatile organic compounds in ground water of the lower Illinois River basin

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Areal studies aid protection of ground-water quality in Illinois, Indiana, and Wisconsin

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Diagenesis and reservoir quality of the Upper Mississippian Aux Vases Sandstone, Illinois Basin

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Environmental setting of the upper Illinois River basin and implications for water quality

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Potentiometric levels and water quality in the aquifers underlying Belvidere, Illinois, 1993–96

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Style and origin of mid-Carboniferous deformation in the Illinois Basin, USA - Ancestral rockies deformation?

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Chemical composition and geologic history of saline waters in Aux Vases and Cypress Formations, Illinois Basin

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Liquefaction evidence for at least two strong Holocene paleo-earthquakes in central and southwestern Illinois, USA

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The Midwestern Basins and Arches regional aquifer system in parts of Indiana, Ohio, Michigan, and Illinois — Summary

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Geology, hydrology, and results of tracer testing in the Galena-Platteville aquifer at a waste-disposal site near Byron, Illinois

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Water sediment, and nutrient budgets, and bathymetric survey of Old and New Gillespie Lakes, Macoupin County, Illinois, May 1996-April 1997; with a discussion of lake-management practices

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Measurement of velocities with an acoustic velocity meter, one side-looking and two upward-looking acoustic Doppler current profilers in the Chicago Sanitary and Ship Canal, Romeoville, Illinois

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Picking up the pieces: Conserving remnant natural areas in the post-industrial landscape of the Calumet Region

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The Central Great Lakes Geologic Mapping Coalition

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Sustainable growth in America's heartland: 3-D geologic maps as the foundation

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Anomalous increases in piezometric levels in advance of longwall mining subsidence

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Mapping the glacial geology of the Central Great Lakes region in three dimensions: A model for state-federal cooperation

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