985 resultados para Prairie flora


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"A project of the critical trends assessment program."

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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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Caption title.

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4-5. Bd., W. D. J. Koch sole editor.

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1. Abth. has added special t.-p.