Boltsburn (Lead Ore)
Colliery Management (prior to 1970)
| Year | Pit | Position | Name | No. & Class of Certificate |
| 1883 | | Manager: | J. Blenkiron | |
| 1884 | | Agent: | J. Blenkiron | |
| 1888 | | Agent: | John Blenkiron | |
| | | Manager: | G. Phillipson | |
| 1890 | | Agent: | John Blenkiron | |
| | | Manager: | G. Phillipson | |
| 1894 | | Agent: | G. Phillipson | |
| 1896 | | Agent: | G. Phillipson | |
| 1900 | | Agent: | J. Adamson | |
| 1902 | | Agent: | J. Adamson | |
| 1905 | | Agent: | E. Thompson | |
| 1910 | | Agent: | H. S. Willis | |
| 1915 | | Agent: | H. S. Willis | |
| 1921 | | Agent: | H. S. Willis | |
| 1925 | | Agent: | H. S. Willis | |
| 1930 | | Agent: | H. S. Willis | |
| 1934 | | Agent: | H. S. Willis | |
| 1935 | | Agent: | H. S. Willis | |
| 1936 | | Agent: | H. S. Willis | |
| 1938 | | Agent: | H. S. Willis | |
main page for Boltsburn (Lead Ore)