Quaternary drainage evolution of the Maquoketa River Valley /
Greg A. Ludvigson, E. Arthur Bettis III, and Curtis M. Hudak ; with contributions by Brenda K. Nations, Richard G. Baker.
APA Citation
Ludvigson, G. A. (Greg A.)., Hudak, C. Martin., Bettis, E. A. (1992). Quaternary drainage evolution of the Maquoketa River Valley. [Iowa City, Iowa]: Geological Society of Iowa.
MLA Citation
Ludvigson, G. A. (Greg A.), Curtis Martin Hudak, and Elmer A Bettis. Quaternary Drainage Evolution of the Maquoketa River Valley. [Iowa City, Iowa]: Geological Society of Iowa, 1992.
Warning: These citations may not always be complete (especially for serials).