992 resultados para Illinois. Dept. of Conservation


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"IDNR/EEA-96/08"--T.p. verso.

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"Printed March 1988."

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Includes index.

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Includes pages and exhibits from the Christopher B. Burke Engineering, Ltd. report analyzing the problems and recommending remedial measures to mitigate flooding in Lemont.

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"Illinois Energy Conservation Program."

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Description based on: 1981-1982; title from cover.

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"March 2003."

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Provides location of monuments installed by the Office of Water Resources which indicate land elevation along Midlothian and Natalie Creeks.

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A collection of writings by high school students whose teachers and school participated in the Rivers Curriculum Project from September 1994 until June 1995.

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Research conducted by Abt Associates.

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"June 1989."