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Document Type

Research

Abstract

The Cretaceous system in Iowa is composed of shales, argillaceous limestones and sandstone, and argillaceous sandstones. The former are generally referred to the Fort Benton horizon of the Colorado, while the latter are placed with the Dakota.

Publication Date

1927

Journal Title

Proceedings of the Iowa Academy of Science

Volume

34

Issue

1

First Page

243

Last Page

245

Copyright

©1927 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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