The unconsolidated material resting on the drift in and about Muscatine possesses many of the characters of the loess and since it passes by insensible gradations, into the latter it seems rather to belong to the loess than to the drift.
Proceedings of the Iowa Academy of Sciences
©1888 Iowa Academy of Science, Inc.
Witter, F. M.
"Some Additional Observations on the Loess in and about Muscatine,"
Proceedings of the Iowa Academy of Science, 1(Pt. 1), 45-45.
Available at: https://scholarworks.uni.edu/pias/vol1/iss1/23