The glacial boundary in western Pennsylvania, Ohio, Kentucky, Indiana, and Illinois /

Bibliographic Details
Main Author: Wright, G. Frederick (George Frederick), 1838-1921 (Author)
Format: Government Document eBook
Language:English
Published: Washington, D.C. : Department of the Interior, United States Geological Survey, 1890.
Series:Bulletin of the United States Geological Survey ; no. 58.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/gpo57651

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