GSL/L/R/9/284* | Letter from Robert HUNT, Geological Survey | 15 Apr 1846 | |
GSL/L/R/9/310 | Letter from the GEOLOGICAL SURVEY | 17 Aug 1846 | |
GSL/L/R/10/303 | Letter from the GEOLOGICAL SURVEY OF GREAT BRITAIN | 15 Nov 1848 | |
GSL/L/R/12/51 | Letter from the Henry DE LA BECHE | 7 Jan 1852 | |
GSL/L/R/12/163 | Letter from the Henry DE LA BECHE, Geological Survey Office | 3 Nov 1852 | |
GSL/L/R/12/218 | Letter from Henry DE LA BECHE, Geological Survey Office | 23 Mar 1853 | |
GSL/MUS/4/3 | Correspondence with the British Museum and the Geological Survey | 1911 | |
LDGSL/296/84 | Centenary address: Geological Survey of Great Britain and Museum of Practical Geology | 1907 | |
LDGSL/839/167 | Murchison fieldbooks & diaries: Duties as Director of the Geological Survey and Museum | 1855-1862 | |
LDGSL/909 | 'An act to facilitate the completion of, a geological survey of Great Britain and Ireland...' | 1845 | |