Spechts Ferry (Middle Ordovician) bryozoan fauna from Illinois, Wisconsin, and Iowa.
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Urbana,
[publisher not identified] ;
1962.
|
| Series: | Circular (Illinois State Geological Survey) ;
326. |
| Subjects: |
| Item Description: | Cover title. |
|---|---|
| Physical Description: | 36 pages : illustrations |
| Bibliography: | Bibliography: pages 34-36. |