Illinois Department of Transportation, Erica Borggren, Acting Secretary
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Patrick J. Quinn, Governor
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Bureau of Design and Environment
Technical Environmental Memorandums

MEMO SUBJECT DATE
P3-10 Herbicide Restriction Map 12/08/2010
I-2-10 Photographing Historic Structures 04/26/2010
I-6-94 Waste Classification of Railroad Ties 06/21/1994
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