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Authors

H. W. Norris

Document Type

Research

Abstract

This paper is intended to be supplementary to the paper by the same title presented at the 1927 meeting of the Iowa Academy of Science by Smiley, Ingram and Blagg.

Publication Date

1928

Journal Title

Proceedings of the Iowa Academy of Science

Volume

35

Issue

1

First Page

341

Last Page

344

Copyright

© Copyright 1928 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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