1000 resultados para Illinois.
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Cover title.
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"HWRIC RR 023."
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Mode of access: Internet.
An intensive survey of the Fox River Basin from the Wisconsin State line to Ottawa, Illinois, 1982 /
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Survey made cooperatively by the Illinois Environmental Protection Agency and the Illinois Dept. of Conservation.
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Mode of access: Internet.
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"May 2009"
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Project No. RDC-A1-028.
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Chiefly tables.
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"August 1984."
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"IEPA/WPC/93-192."--Cover.
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"June, 1989."
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"Project IHR-517, Illinois Cooperative Highway Research Program."
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"Contract FY 81-8/AE-8."
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Cover title.
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Report of a survey conducted under the auspices of the Illinois Archaeological Survey in cooperation with the U.S. Federal Highway Administration, the U.S. Heritage Conservation and Recreation Service, and the Illinois Dept. of Transportation.