Silurian.
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| Corporate Author: | |
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| Other Authors: | , , , |
| Format: | Book |
| Language: | English |
| Published: |
Baltimore,
The Johns Hopkins press,
1923.
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| Subjects: |
| Item Description: | At head of title: Maryland Geological survey. |
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| Physical Description: | 794 p. illus., LXVII pl. (incl. fold. col. map; fold. col. diagr.) maps, tables. 26 cm. |