985 resultados para Virginia State Library. Archives Division.
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"HWRIC RR-025."
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"July, 1983."
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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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"January 1990."
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"HWIRC AD87-0-11." "HWRIC 87-009."
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Description based on: 114, published in 1991.
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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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Includes bibliographic references.
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"Approved by the Illinois State Library Advisory Committee, Research and Reference Center Advisory Committee, endorsed by the Illinois Library Systems and adopted by the Illinois State Library, effective July 1, 1988"--p. 2.