1000 resultados para Illinois.
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"31581"--Colophon.
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"32339"--Colophon.
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Mode of access: Internet.
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"This project was supported by cooperative agreement from the U.S. Dept. of Labor, Bureau of Labor Statistics."
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Cover title.
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"March 1992"
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Cover title.
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Selected water resources abstracts
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"IEPA/BOW/03-013"--Cover.
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"HWRIC Project 88-048."
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Includes bibliographical references (p. 32).
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"32946"--Colophon.
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"DOWR/SPR/91-001."
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Mode of access: Internet.
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Prepared by Donna F. Sefton.