980 resultados para Illinois. Division of Water Resources


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Bibliography: p. 57-59.

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"Prepared for the Illinois Institute of Natural Resources and the Illinois Environmental Protection Agency"--Cover

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"July 1983."

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Includes bibliographical references (pages 76-78).

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"The audit was conducted pursuant to Illinois House of Representatives Resolution Number 451, which was adopted June 20, 2007."--Cover letter.

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"December 1990."

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"Progress report on Illinois watersheds."--Cover.