481 resultados para Illinois. Natural History Survey Division
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Examines an area of 357.5 miles in northeast Illinois--much of which is a part of the Greater Chicago Metropolitan Region. The area includes eight subbasins, of which two have been designated a state Resource Rich Area.
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"Examines an area in northwestern Illinois formed by the Rock and Green River systems ... designated a state Resource Rich Area"--P. iii.
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Some vols. issued in revised editions.
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Writer: Kirby Pringle.
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Includes a brief overview of highlights for FY 2001-2003, with a detailed look at four areas: 1) invasive species; 2) data and data analysis; 3) protecting and restoring Illinois habitats; 4) education and outreach.
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Mimeographed.
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"Illinois."
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Examines 1,477 square miles in northeastern Illinois that historically was open prairie with a park-like appearance of scattered trees. The area encompasses 25 subbasins along the Illinois, Des Plaines, and Kankakee rivers, of which 8 have been designated a state Resource Rich Area.
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"Critical Trends Assessment Program."--Cover.
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"Editor: Charles Warwick"--p. [2] of cover.
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"Contract: IP 7."
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"Examines a karst/cave area in southwestern Illinois bordering the Mississippi River ... designated a state Resource Rich Area."--P. iii.
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"Examines the Spoon River basin in west central Illinois"--P. iii.
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"Examines an area in north central Illinois along the Wisconsin/Illinois border ... designated a state Resource Rich Area."--P. iii.
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Cover title.