992 resultados para Illinois State Water Survey
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Includes bibliographical references (p. 36).
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"HWRIC RR-025."
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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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Description based on: 114, published in 1991.
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Description based on: 118, published in 1991.
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"ISWS/RI-108/87."--Cover.
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"Prepared for the Metropolitan Water Reclamation District of Greater Chicago."--Cover.
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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 an area in southeastern Illinois--a portion of which has been designated a state Resource Rich Area.
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"Examines the Spoon River basin in west central Illinois"--P. iii.
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Includes bibliographies.
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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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Mode of access: Internet.
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Cover title.
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Cover title.