Crinoids of the LaSalle Limestone (Pennsylvanian) of Illinois 

https://kuscholarworks.ku.edu/handle/1808/3830
Title: Crinoids of the LaSalle Limestone (Pennsylvanian) of Illinois 
Author(s):
Harrell L. Strimple, Raymond C. Moore
Paleo Publication Type:
KU Paleontological Contributions
Publication Format:
Journal article
Year of publication:
1971