Browse by Subject "Natural resources surveys --Illinois"

  • Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division (Illinois Dept. of Natural Resources, 1998)
    The Big Rivers assessment covers an area of 1,133,176 acres near the confluence of the Illinois and Mississippi Rivers. As well as including segments of the Mississippi and Illinois Rivers, the area also includes a section ...

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  • Illinois Department of Natural Resources. Office of Scientific Research and Analysis (Illinois Dept. of Natural Resources, 1997)
    The Cache River originates near Cobden in Union County and has a total length of 176 kilometers (110 miles). The Cache River Basin covers nearly the entire tip ofsouthern Illinois and drains 1,537 km2 (959 rni2, 614,100 ...

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  • (Illinois Dept. of Natural Resources, 1998)
    The Driftless Area Assessment covers an area ofapproximately 632,685 acres in the extreme northwestern part ofthe Dlinois. It encompasses nearly all ofJoe Daviess County, the western half and north-eastern quarter ofCarroll ...

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  • (Illinois Dept. of Natural Resources, 1999)
    The Du Page River area encompasses approximately 372 square miles (238,462 acres) in northeastern Illinois, mostly in Du Page and Will Counties, with small portions in Cook, Kane, Kendall, and Grundy Counties. The area is ...

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  • Illinois Department of Natural Resources. Office of Scientific Research and Analysis (Illinois Dept. of Natural Resources, 1998)
    The Fox River assessment covers an area ofapproximately 1,720 mile (1,092,874 acres)· spanning eleven counties in north-eastern Illinois, including parts ofLake, McHenry, Kane, Cook, Kendall, DeKalb, and LaSalle counties, ...

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  • (Illinois Dept. of Natural Resources, 1997)
    Just as the Grand Prairie -- Illinois' namesake landscape -- was the heart of the continent's "Prairie Peninsula," so the Headwaters area of east central Illinois is the heart of the Grand Prairie. It is one of the ...

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  • Illinois Department of Natural Resources. Office of Scientific Research and Analysis (Illinois Dept. of Natural Resources, 1998)
    The Kankakee River Area Assessment covers an area ofapproximately 2,019 mile2 (1,292,230 acres) spanning parts offive counties in eastern Illinois, including most of Kankakee and Iroquois counties and parts ofWill, Ford, ...

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  • (Illinois Dept. of Natural Resources, 1999)
    The Kaskaskia River begins as a cropland ditch in Champaign County and runs south for approximately 270 miles before it empties into the Mississippi River in Randolph County in southwestern Illinois. The area discussed in ...

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  • (Illinois Dept. of Natural Resources, 1998)
    The Lower Rock River Area Assessment continues the assessment ofthe Rock River basin that was begun with the Rock River Area Assessment in 1996. The area encompasses approximately 2,500 square miles in northwestern Illinois; ...

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  • Illinois Department of Natural Resources (Illinois Dept. of Natural Resources, 1997)
    The Mackinaw River begins near Sibley in Ford County and runs west to meet the Illinois River south of Pekin, Illinois. The boundaries of the Mackinaw River Area Assessment, as well as the Mackinaw River Ecosystem Partnership ...

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  • (Illinois Dept. of Natural Resources, 2001)
    The Prairie Parklands is a 1,477- square-mile triangle of flat to gently rolling land that covers portions of eight counties in northeastern Illinois: Cook, Will, Kendall, Grundy, LaSalle, Kankakee, Ford, and ...

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  • Illinois Department of Natural Resources. Office of Scientific Research and Analysis (Illinois Dept. of Natural Resources, 1999)
    The Prairie Parklands area encompasses approximately 1,477 square miles (945,500 acres) in northeastern Illinois; including large parts of Will, Grundy, and Kendall counties, and smaller portions of Cook, Kankakee, Ford, ...

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  • (Illinois Dept. of Natural Resources, 1998)
    The Sugar-Pecatonica Area Assessment encompasses approximately 796.3 square miles (509,675 acres) in north central Illinois along the Wisconsin/Illinois border. The area includes virtually all of Stephenson County, the ...

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  • Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division (Illinois Dept. of Natural Resources, 1998)
    The Upper Des Plaines Area Assessment covers an area of approximately 346 mile2 (221,637 acres) spanning central Lake County, north-central Cook County, and the northeastern portion of Du Page County. The Des Plaines River ...

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  • Illinois Deptartment of Natural Resources (Illinois Dept. of Natural Resources, 2000)
    The Vermilion River Assessment Area is located in north central Illinois and includes parts of seven counties - Ford, Iroquois, LaSalle, Livingston, Marshall, McLean, and Woodford. It encompasses 1,331 square miles and ...

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  • Illinois Department of Natural Resources (Illinois Dept. of Natural Resources, 1999)
    The area discussed in this assessment coincides with the boundaries of the Illinois portion of the Vermilion River basin as determined by the Illinois Environmental Protection Agency. This area, covering approximately 1,485 ...

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