Browse Special Publications - Illinois Natural History Survey by Subject "Maps"

  • Iverson, Louis R.; Joselyn, Mark G.; Hodgins, Audrey S. (Champaign, Ill. :Illinois Natural History Survey, Illinois Department of Energy and Natural Resources,June 1990., 1990-06)
    Includes 6 ancillary maps: Composition of Illinois forests -- Number of woody species per county in Illinois -- Forest cover map of the Midwest as estimated with satellite data -- Percent of county forested, ascertained ...

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  • Suloway, Liane B.; Hubbell, Marvin E. (Champaign, Ill. :Illinois Natural History Survey,1994., 1994-07)
    Wetlands once covered more than 8 million acres in Illinois, or 23% of the land (Havera 1985). As a result of human modification of the environment, an estimated 90% of these wetlands have been destroyed (Figure 1). Dramatic ...

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