[050-09]Plant Fossils from Mankato Terrace Along Hutchins Creek, Union County, Illinois
Kaeiser, Margaret, and Harris, Stanley E., Jr. Plant Fossils from Mankato Terrace Along Hutchins Creek, Union County, Illinois 050-09-print
[050-03]Fishing Pressure and Fishing Success at Argyle Lake, McDonough County, Illinois, as Indicated by Creel Census
Warren, George P., Jr. Fishing Pressure and Fishing Success at Argyle Lake, McDonough County, Illinois, as Indicated by Creel Census 050-03-print
[052-19]Drosophila of the Montgomery Arboretum, Illinois
Knez, Fred Drosophila of the Montgomery Arboretum, Illinois 052-19-print
[052-13]Artificial Ground Water Recharge at Peoria, Illinois
Suter, Max Artificial Ground Water Recharge at Peoria, Illinois 052-13-print
[052-04]Fishes of Kinkaid Creek, Illinois
Stegman, Jerry L. Fishes of Kinkaid Creek, Illinois 052-04-print
[053-20]Stratigraphic Aspects of the Caseyville Group in the Vicinity of Pomona, Jackson County, Illinois
Desborough, George A. Stratigraphic Aspects of the Caseyville Group in the Vicinity of Pomona, Jackson County, Illinois 053-20-print
[053-10]The Distribution of River Birch in Cumberland County, Illinois
Fritts, Harold C. and Kirkland, Barbara J. The Distribution of River Birch in Cumberland County, Illinois 053-10-print
[055-02]Additional Faunal Records from the Kingston Lake Site, Illinois
Parmalee, Paul W. Additional Faunal Records from the Kingston Lake Site, Illinois 055-02-print
[057-32]Mineral Content in Water from Fifty Three WaterÂ-Wells in DeKalb and Sycamore Quadrangles, Illinois
Caldwell, Loren T. Mineral Content in Water from Fifty Three WaterÂ-Wells in DeKalb and Sycamore Quadrangles, Illinois 057-32-print
[057-31]Origin of Fissure Fillings in a Pennsylvanian Shale in Vermilion County, Illinois
White, W. Arthur Origin of Fissure Fillings in a Pennsylvanian Shale in Vermilion County, Illinois 057-31-print