Charles Wang Wai Ng
Hugo M. Schiechtl
David G. Lorenz
W. L. McAtee
Rainer Rühl
Barnard A. Hendricks
C. J. Kraebel
Samuel Trask Dana
Xinhui Lin
D. H. Barker
Unknown Author
Kraebel, Charles, J.
Illinois State Water Survey
Pierre Allemand
Karl G. Parker
N. J. Coppin
Donald H. Gray
Ray W. Brown
Christoph Gerstgraser