Map record details
| Map series | Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series |
|---|---|
| Sheet number | 310 |
| Sheet title | Tiverton. |
| Map type | Solid and Drift |
| Scale | 1:50 000 |
| Publication year | 1974 |
| Author statement | Original geological survey on the one-inch scale by Sir Henry De la Beche on Old Series Sheets 21 and 26. published before 1845. Resurveyed mainly on the one-inch scale. with some work on the six-inch scale in the Bampton area, by W.A.E. Ussher. 1871-97. This Provisional Edition is based partly on Ussher's resurvey (Area A on key map) and on geological survey on the six-inch scale by Dr. J.M. Thomas of London and Exeter Universities in 1957-62 (Area B on key map) and Dr. E.E. Swarbrick of London University in 1959-61 (Area C on key map). Compiled by J.E. Wright in 1967. G. Bisson. District Geologist. |
| Published statement | Published 1969. Reprinted at 1:50 000 scale without geological revision, 1974. Print code: 2000/74. |
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