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Period 19th century
Remove constraint Period: 19th centuryWork Type engraving
Remove constraint Work Type: engravingWork Type wood engraving
Remove constraint Work Type: wood engravingSubject Period Silurian
Remove constraint Subject Period: SilurianSubject Terms Geology -- England -- Maps.
Remove constraint Subject Terms: Geology -- England -- Maps.Search Results
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- The Silurian system
- 1839