Pennsylvanian flora of northern Illinois
By: by A.C. Noé
Series: Illinois. State geological survey. Bulletin -- no. 52; Bulletin (Illinois State Geological Survey) -- no. 52.
Published: 1925
Place of publication: Urbana, Ill
Language: eng
Number of pages: 113
Subjects: Paleobotany; Paléontologie; Paleontology; Paléobotanique
Notes: At head of title: State of Illinois. Department of registration and education. Division of the geological survey.