David Hiram Williams
Timeline
| 1839 | Joined Geological Survey April 15th. Worked with Logan in South Wales. |
| 1845 | Appointed Geological Surveyor to East India Company. |
| Examined and reported on the Raniganj coalfield: “A geological report on the Damoodah Valley” (1850). | |
| 1849 | Died of jungle fever at Hazaribagh. |
| See J.F. North “History of Geology in South Wales” (Transactions Cardiff Naturalists Society vol. LXVII (1934)) and other referenced (North), Ibid vol. LXV (1934). |
Biographies and obituaries
| 1878 | Memoir on Indian Surveys. C.R. Markham (1878) p. 209 |
| BGS archives: GSM/GL/Wm David Hiram Williams Obituary file | |
| 1998 | Sharpe, T. and McCartney, P. J.The papers of H. T. De la Beche (1796–1855) in the National Museum of Wales, National Museum of Wales, Cardiff, Geological series no. 17: 1998. pp 257. ISBN 0-7200-0454-03. |
| David Hiram Williams and the search for coal — from South Wales to Bengal, 1839–1848 |