1841  John Preest; Thomas Powell of Ellwood; William Jones of Clements End Green and Thomas Skinn of the same place (as Free Miners) in equal undivided parts.
Bromley Hill Coal Work Colliery; all that tract of coal in the Whittington or Yard Delf vein.

c1847  Bromley Hill,  J. Litchfield & others.  Not worked.

GRO EL 238
The assets of the Bromley Hill Iron & Coal Co. which had been in existence since 1849 were purchased by the Ebbw Vale Co. Ltd. in 1854 after the management had become...?  The assets then consisted of the Bromley Hill Iron Mine and the Bromley Hill and Midsummer Level Collieries.  The Prince of Wales Iron Mine and Colliery was acquired in 1855 and the Drybrook Bottom Iron Mine and a sandstone quarry at Breams Eaves in 1859.

Bromley Hill Iron Mine 4 May 1846.
Prince of Wales Iron Mine 3 November 1846
Registration of the Bromley Hill Iron & Coal Co. 28 December 1849

23 November 1866  Particulars of sale of the Farmers Folly and Windmill Pit Colliery.

F3 539
23 June 1882  Application by Charles Smith for gale.

12 October 1887  Six other applicants withdrew leaving only Edmund Morse, Yorkley.

6 November 1889  Gale had proved to be a great loss to the lessees Messrs. Phillip and Cook through the overflow of water.
Edmund Morse;- “I am an old man”.
The surrender of the gale was accepted, however, would continue to work it for another year if the dead rent was reduced.

December 1890  Offered for surrender.  Withdrawn.
December 1893  Offered for surrender.  Withdrawn.

11 September 1895 Finally forfeited.

COAL17 247
20 October 1944  Grant of New Bromley Hill No.2 to W. W. Green.

24 October 1944  Galees James Fox, William Watkins, Thomas Ireland, all of Broadwell Lane End and William Elsmore of Ellwood.

1944  Registered owner J. S. Nash, held Drybrook Folly gale [below] in conjunction