GSL/COM/P/4/2/107 | Referees’ report: James MITCHELL, “The Harwich cliffs” | 9 Oct 1833 | |
GSL/COM/P/4/2/108 | Referees’ report: James MITCHELL, “Sections of quarries at Quainton and Brill” | 16 Apr 1834 | |
GSL/COM/P/4/2/109 | Referees’ report: James MITCHELL, “On a well at Beaumont Green” | [1837] | |
GSL/COM/P/4/2/110 | Referees’ report: James MITCHELL, “Chalk and flints of Yorkshire” | 5 Apr 1835 | |
GSL/COM/P/4/2/111 | Referees’ report: James MITCHELL, “Wells in the London Clay of Essex” | 3 Nov 1839 | |
GSL/COM/P/4/2/112 | Referees’ report: James MITCHELL, “Drift of Norfolk and Suffolk” | 28 Mar 1839 | |
GSL/COM/P/4/2/113 | Referees’ report: James MITCHELL, “Foul air in wells in London Clay and Chalk” | 15 Feb 1841 | |
GSL/L/R/1/81 | Letter from James MITCHELL | 7 Mar 1834 | |
GSL/L/R/1/132 | Letter from James MITCHELL | 16 Dec 1834 | |
GSL/L/R/1/219 | Letter from James MITCHELL | 15 Apr 1835 | |