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Home > Iowa Academy of Science > Journals & Newsletters > Proceedings of the Iowa Academy of Science > Volume 26 (1919) > Annual Issue

 

Document Type

Research

Abstract

These rocks are among the important building materials of the country and have a wide distribution. We secured a few typical specimens from different sections, in order to make a comparison of their chemical composition. The specimens analyzed are all used as building stones in their respective localities.

Publication Date

1919

Journal Title

Proceedings of the Iowa Academy of Science

Volume

26

Issue

1

First Page

377

Last Page

378

Copyright

©1919 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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