The glacial boundary in western Pennsylvania, Ohio, Kentucky, Indiana, and Illinois /
| Main Author: | |
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
Department of the Interior, United States Geological Survey,
1890.
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| Series: | Bulletin of the United States Geological Survey ;
no. 58. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo57651 |
| Item Description: | Title from title screen (viewed June 23, 2014). |
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| Physical Description: | 1 online resource (112 pages, VIII pages of plates) : illustrations, maps. |
| Bibliography: | Includes bibliographical references and index. |