During the summers of 1888 and 1889 opportunity was presented the writer, in connection with geologic work on the Geological Survey, to study somewhat carefully the tree flora of the region east of the Iron Mountain Railroad and north of the Arkansas River.
Proceedings of the Iowa Academy of Sciences
©1889 Iowa Academy of Science, Inc.
Call, R. Ellsworth
"Notes on the Native Forest Trees of Eastern Arkansas,"
Proceedings of the Iowa Academy of Science, 1(Pt. 1), 76-85.
Available at: https://scholarworks.uni.edu/pias/vol1/iss1/38