Douglas Milton Avery Jones / Harold W. Humphreys / Illinois State Water Survey / Krishan P. Singh / Nani G. Bhowmik / S. D. Lin / Stanley Alcide Changnon / Thomas A. Butts / Veerasamy Kothandaraman / Wun-cheng Wang / C G Lonnquist / D H Schnepper / Floyd A. Huff / Gunnar Sigurdsson / John William Wilson / Ralph L. Evans / D. B. Beuscher / H. James Owen / William T. Sullivan |