Tan Hill Colliery
Colliery Management (prior to 1970)
| Year | Pit | Position | Name | No. & Class of Certificate |
| 1882 | | Agent: | James Harker | |
| | | Manager: | James Harker | |
| 1883 | | Agent: | James Harker | |
| | | Manager: | James Harker | |
| 1884 | | Agent: | James Harker | |
| | | Manager: | James Harker | |
| 1888 | | Manager: | James Harker | |
| 1890 | | Manager: | Joseph Harker | |
| 1894 | | Manager: | G. W. Harker | |
| 1896 | | Manager: | G. W. Harker | |
| | | Under Manager: | James Ruken | |
| 1900 | | Manager: | G. W. Harker | |
| | | Under Manager: | James Ruken | |
| 1915 | | Agent: | R. S. Hudson | |
| | | Manager: | John Rukin | No cert. |
| 1921 | | Agent: | R. S. Hudson | |
| | | Manager: | John Rukin | No cert. |
| 1923 | | Manager: | C. Sinclair | No cert. |
| 1924 | | Manager: | C. Sinclair | No cert. |
| 1925 | | Manager: | C. Sinclair | No cert. |
| 1927 | | Manager: | C. Sinclair | No cert. |
| 1929 | | Manager: | C. Sinclair | No cert. |
| 1930 | | Manager: | C. Sinclair | No cert. |
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