Trace fossils and depositional environment of four clastic units, Upper Pennsylvanian megacyclothems, northeast Kansas 

https://kuscholarworks.ku.edu/handle/1808/3837
Title: Trace fossils and depositional environment of four clastic units, Upper Pennsylvanian megacyclothems, northeast Kansas 
Author(s):
William G. Hakes
Paleo Publication Type:
KU Paleontological Contributions
Publication Format:
Journal article
Year of publication:
1976