State-wide conservation lake construction program / prepared by C-S Engineering Co., Springfield, Ill. consulting engineers, Warren & Van Praag, Inc., Decatur, Ill. (3.21546)
Date: 1947Creator: Illinois. Department of Conservation.
Type: Book
Extent: 124 p. : ill., maps 29 x 44 cm.
Endangered and threatened vertebrate animals and vascular plants of Illinois (3.57628)
Date: 1981Creator: Bowles, Marlin L.
Type: Book
Diversity of Springtail Insects in Restored Prairie (3.62621)
Date: 1991Creator: Brand, Raymond H.
Type: Article
Description:A report of research under contract number 113 with the Illinois Department of Conservation, Division of Natural Heritage. A small project proposal funded by the Nongame Wildlife Conservation Fund. Dates of project: June 30, 1990-August 31, 1991.
State of Illinois [forest and non-forest lands] (3.6275)
Date: 1974Creator: Geological Survey (U.S.)
Type: Map
Description:Forestland shaded; "Prepared for the Illinois Department of Conservation, Division of Forestry, by Neal G. Lineback"
Extent: 1 sheet