It is suggested that attention be given to the following geologic features as possible subjects for recognition or preservation or protection: glacial erratics unique for size, shape, or composition; type sections or localities in the bedrock; falls; springs; fossil or geode collecting areas; areas of natural outcrops of all bedrock formations of the state.
Proceedings of the Iowa Academy of Science
©1961 Iowa Academy of Science, Inc.
Gwynne, C. S.
"Conservation of Geologic Features in Iowa,"
Proceedings of the Iowa Academy of Science, 68(1), 337-340.
Available at: https://scholarworks.uni.edu/pias/vol68/iss1/51