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Document Type

Research

Abstract

Iowa and the upper Mississippi basin are, as is now quite generally known, in possession of the most complete Glacial succession in the whole world. With its great wealth of recorded observation the trend of inquiry turns not so much to unearthing more tillsheets, as was the prognostication of the enthusiastic Calvin, as it is to ferret out the most plausible causes of periodic glaciations, and especially to test their astronomical relationships

Publication Date

1929

Journal Title

Proceedings of the Iowa Academy of Science

Volume

36

Issue

1

First Page

280

Last Page

280

Copyright

©1929 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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