This is a list of all documents accepted for permanent retention under the subject classification 'Natural resources and the environment: Ecology: Animals: Insects: Endangered insects'.
Natural resources and the environment:
Ecology:
Animals:
Insects:
Endangered insects
Hydrogeologic characterization of the former fish farm at Waterfall Glen Forest Preserve, Du Page County, Illinois [OFS 2009-1]
Report describes the study to characterize the hydrogeologic conditions at a portion of Waterfall Glen Forest Preserve, near the Village of Lemont, in Du Page County. Emerald Fen, a seep-fed wetland located near the southwest corner of the preserve, is a documented larval habitat for the federally-endangered Hine's emerald dragonfly. The Illinois State Toll Highway Authority is exploring the possibility of expanding the dragonfly habitat at a former fish farm at the southwest corner of the Waterfall Glen Forest Preserve.