1838  Prospectus for the Lydney and Forest of Dean Coal Company
A colliery called the'Rising Sun Engine', held subject to a small gale rent £4 per annum.  There are two pits, one for an engine the other a winding pit, sunk to the Nag's Head Low Delph Coal, which may be extended to the High Delph and cut out to the Whittington and Trenchard Coal; this would be an excellent situation for the erection of Iron Furnaces, the ore would be easily attainable by extending these works.

1841  James Morrell and Robert Morrell, bankers, Oxford (as mortgagees in possession and claiming under Free Miners)

Rising Sun Engine including Arthur's Folly, or Speedwell [above] and Breams Eaves Level [above] Gales.
Coal in Coleford High Delf.

F3 286
29 April 1847  Morrells asking reduction in rent on what is now called Rising Sun consisting formerly of the Rising Sun, Arthurs Folly and Bream Eaves Level - latter now awarded to Messrs. Priest as one gale and to Thomas Morgan as another. These two gales bought by late Messrs. Morland & Phillips of James Prout who had galed same in 1822 lease for 999 years so that Messrs. Morrell deprived of this gale.
Morrells have spent £1,000 or £1,200 on colliery, now beginning to find coal.

10 March 1877 Gloucester Journal Sale of Rising Sun Engine Colliery & Union Colliery [more]

17 September 1877  Forfeited.

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17 September 1877  John Richard Sneyd Ramsbottom, Dover;  Frederick Joseph Morrell, Oxford;  Thos. Sherwood, Oxford;  Thos. Hedges Graham, Abingdon;  Rev. Charles Dundas Everett, Besselsleigh Rectory;  Edward Law Hussey, Oxford.  Executors of the Morrells.

F3 525
9 July 1883  On 18 March 1881 Rising Sun and Union gales were granted to James Young and on the same day conveyed to Mr. John Griffiths.  Immediately after gales granted Richard James and Isaiah Stephens - freeminers - instituted Chancery proceedings against Young and Griffiths setting up a claim to the collieries based upon joint applications put in as far back as 1846 and 47.  James had since died but Stephens carrying on.
Griffiths purchased gales for a large sum.

20 January 1897  Mr. Griffiths sold gale to Parkend Deep Navigation in 1892.

8 January 1909 Dean Forest Mercury Rising Sun and Parkend Deep Level gales.  Princess Royal applying to work barriers.