@article{103724, recid = {103724}, author = {Johnson, W. Hilton}, title = {Depositional environments and correlation problems of the Wedron Formation (Wisconsin) in northeastern Illinois /}, publisher = {Illinois State Geological Survey,}, address = {Champaign, Ill. :}, pages = {91 p. :}, year = {1985}, note = {"Nineteenth annual meeting, North-Central Section of the Geological Society of America, Northern Illinois University, DeKalb, Illinois, April 25-27, 1985." -- Cover.}, url = {http://library.usi.edu/record/103724}, }