[046-05]Floral and Ecological Analysis of the Vegetation of the Funk Forest Natural Area, McLean County, Illinois
Calef, Robert T. Floral and Ecological Analysis of the Vegetation of the Funk Forest Natural Area, McLean County, Illinois 046-05-print
[047-22]Farmdale Drift near Danville, Illinois
Ekblaw, George E. and Willman, H.B. Farmdale Drift near Danville, Illinois 047-22-print
[047-06]Check List of Vascular Plants of Boone County, Illinois
Fell, Egbert W., Fuller, George D., and Fell, George B. Check List of Vascular Plants of Boone County, Illinois 047-06-print
[048-12]Vegetational Features of Some Strip-mined Land in Perry County, Illinois
Brewer, Richard and Triner, Edward D. Vegetational Features of Some Strip-mined Land in Perry County, Illinois 048-12-print
[049-18]Plasticity Studies of Till Intruded into Jointed Limestone in Fairmount Quarry, Illinois
Deere, Don U. and Shaffer, Paul R. Plasticity Studies of Till Intruded into Jointed Limestone in Fairmount Quarry, Illinois 049-18-print
[049-02]The Fish Population of Sugar Creek, Illinois
Gunning, Gerald E. and Lewis, William M. The Fish Population of Sugar Creek, Illinois 049-2-print
[050-42]Nesting Birds of the Shoreline and Islands of Crab Orchard Lake, Illinois
Bennett, Esther V. Nesting Birds of the Shoreline and Islands of Crab Orchard Lake, Illinois 050-42-print
[050-38]Vertebrate Remains from the Cahokia Site, Illinois
Parmalee, Paul W. Vertebrate Remains from the Cahokia Site, Illinois 050-38-print
[050-31]Faulting in the Pomona Area, Jackson County, Illinois
Desborough, George A. Faulting in the Pomona Area, Jackson County, Illinois 050-31-print
[050-12]The Ravine Flora of Winnebago County, Illinois
Fell, Egbert W. and Fell, George B. The Ravine Flora of Winnebago County, Illinois 050-12-print