990 resultados para Illinois State Water Plan Task Force.
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Title varies slightly.
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Description based on: [1961]
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"HWRIC RR-057."
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Mode of access: Internet.
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The Critical Trends Assessment Program (CTAP) documents changes in ecological conditions.
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Caption title.
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Title from caption.
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Cover title.
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Based upon a report by the Illinois State Water Survey.
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1877-1897 called First-twentieth annual report.
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Issued Oct. 1978.
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Some vols. have also a distinctive title.
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"May 1978"--Cover.
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Mode of access: Internet.
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Issued, 1917- as Bulletin no. 15 of the Division of the State Water Surveys, Dept. of Registration and Education.