This paper was a continuation and extension of the one presented at the meeting of 1888, and like it was based on the field work done under the auspices of the Arkansas Geological survey. The area studied was much more extensive than that reported on in the preceding year.
Proceedings of the Iowa Academy of Sciences
©1889 Iowa Academy of Science, Inc.
Call, R. Ellsworth
"On the Geology of Eastern Arkansas,"
Proceedings of the Iowa Academy of Science, 1(Pt. 1), 85-90.
Available at: https://scholarworks.uni.edu/pias/vol1/iss1/39