Langbaurgh (Whinstone)
Colliery Management (prior to 1970)
| Year | Pit | Position | Name | No. & Class of Certificate |
| 1882 | | Agent: | George Bradley | |
| 1883 | | Manager: | George Bradley | |
| 1884 | | Agent: | George Bradley | |
| 1888 | | Manager: | George Bradley | |
| 1890 | | Agent: | George Bradley | |
| 1894 | | Agent: | George Bradley | |
| 1896 | | Agent: | George Bradley | |
| 1900 | | Agent: | George Bradley | |
| 1902 | | Agent: | George Bradley | |
| 1905 | | Agent: | George Bradley | |
| 1910 | | Agent: | James Runnalls | |
| 1915 | | Agent: | E. Stevens | |
| 1925 | | Agent: | E. Bradley | |
| 1930 | | Agent: | E. Bradley | |
| 1935 | | Agent: | E. Bradley | |
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