Zones and zonal variations in welded ash flows /
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| Author / Creator: | Smith, Robert L. (Robert Leland), 1920- author. |
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| Imprint: | Washington : United States Department of the Interior, Geological Survey, 1960. |
| Description: | 1 online resource (16 unnumbered pages) : illustrations + 2 plates. |
| Language: | English |
| Series: | Geological Survey professional paper ; 354-F Shorter contributions to general geology Geological Survey professional paper ; 354-F. Shorter contributions to general geology. |
| Subject: | Volcanic ash, tuff, etc. Ignimbrite. Ignimbrite. Volcanic ash, tuff, etc. |
| Format: | E-Resource U.S. Federal Government Document Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11554773 |