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Ref No	LDGSL/947/1/DE LA BECHE/5
Title	Letter from Henry Thomas DE LA BECHE to George Bellas Greenough
Date	[?1835-1839]
Level	Item
Extent	1 item
Format	Document
Description	Letter from Henry Thomas DE LA BECHE, to George Bellas Greenough, [?1835-1839]. Re: Unable to direct the colouring of the map [presumably Greenough's 'Geological map of England & Wales, 2nd edition] around the Chudleigh, Devon area as it is not clear which age of fossils the limestones contain [Silurian or Carboniferous] and explains his theory that the conflicting strata may have been 'islandised'; recommends Greenough consult the survey maps of the area and give his opinion.
Administrative History	The letter seems to relate to the 'Devonian controversy' which led to delineation of the Devonian system in 1839/1840.
Access Conditions	Access is by appointment only. Please contact the Archivist for further information.
Language	English
ArchNote	Description by John Thackray, revised by Caroline Lam
CreatorName	BECHE \| Sir \| Henry Thomas De la \| 1796-1855 \| geologist
Subject	Greenough's map of England and Wales
Subject	Devonian
Previous reference	LDGSL/947/DE LA BECHE/5

Persons

Code	PersonName	Dates
DS/UK/8	GREENOUGH; George Bellas (1778-1855); geologist	1778-1855
DS/UK/12	BECHE; Sir; Henry Thomas De la (1796-1855); geologist	1796-1855

Record