Land Cover Of Illinois in the Early 1800's, Illinois Department of Natural Resources, Illinois Natural History Survey
J.R. Black Kankakee River Materials

Inventory of Resource Rich Areas in Illinois: An Evaluation of Ecological Resources, Illinois Department of Natural Resources, Liane Suloway, Mark Joselyn, Patrick W. Brown, Center for Wildlife Ecology, Illinois Natural History Survey
J.R. Black Kankakee River Materials