@article{103732, recid = {103732}, author = {Heigold, Paul C.}, title = {An Electrical earth resistivity survey of the Macon-Taylorville ridged-drift aquifer /}, publisher = {Illinois State Geological Survey,}, address = {Champaign, IL :}, pages = {iv, 23 p. :}, year = {1985}, url = {http://library.usi.edu/record/103732}, }