Output According to Hunt's "Mineral Statistics"
|
|
Output (tons) | % of UK Total |
Notes |
||
| Bristol | Somerset | Total | |||
| 1854 | Not given | Not given | 1,050,500 |
1.62 | |
| 1855 | Not given | Not given | Not given | ||
| 1856 | Not given | Not given | Not given | ||
| 1857 | |||||
| 1858 | |||||
| 1859 | |||||
| 1860 | 542,000 | 400,000 | 942,000 | 1.12 | |
| 1861 | |||||
| 1862 | |||||
| 1863 | |||||
| 1864 | |||||
| 1865 | Not given | Not given | Not given | ||
| 1866 | Not given | Not given | Not given | ||
| 1867 | |||||
| 1868 | Not given | Not given | 1,120,872 |
1.09 | |
| 1869 | |||||
| 1870 | Not given | Not given | Not given |
||
| 1871 | |||||
| 1872 | |||||
| 1873 | |||||
| 1874 | |||||
| 1875 | 571,000 | 654,878 | 1,225,878 | 0.93 | Somerset partially estimated |
| 1876 | 589,538 | 650,415 | 1,239,953 | 0.93 | Somerset includes estimate of 65,000 tons |
| 1877 | 556,407 | 666,500 | 1,222,907 | 0.91 | |
| 1878 | |||||
| 1879 | |||||
| 1880 | 475,800 | 781,591 | 1,257,391 | 0.86 | Somerset partially estimated |
| 1881 | |||||