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Level III and IV ecoregions of Illinois / by Alan J. Woods [and others].
- Format:
- Book
- Government document
- Language:
- English
- Subjects (All):
- Ecological regions--Illinois.
- Ecological regions.
- Ecology--Illinois.
- Ecology.
- Illinois--Ecology.
- Illinois.
- Physical Description:
- 1 online resource (44, [1] pages)
- Other Title:
- Level 3 and 4 ecoregions of Illinois
- Place of Publication:
- Corvallis, Or. : U.S. Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, [2006]
- Notes:
- Title from title screen (viewed May 15, 2009).
- "September, 2006."
- "EPA/600/R-06/104."
- OCLC:
- 321059597
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