 |
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| Board of Trade Register | ||||||||||||||||
From this Board of Trade Register, from April 1915 referring to
Whitfield colliery’s Institute and Middle pits, the following manpower
statistics can be seen:
  |
|
||||||||||||||||
| Board of Trade Register | ||||||||||||||||
From this Board of Trade Register, from April 1915 referring to
Whitfield colliery’s Institute and Middle pits, the following manpower
statistics can be seen:
|