A HISTORY OF DURHAM 



the east part of Lanchester Common, called 

 Pontop Pike. 



1764. A series of bore-holes from the sur- 

 face was put down on the Witton Castle estate. 



Mention is made of a pit, known as Fortune 

 Pit, Tanfield Moor, and also of the Cap Pit. 



1765. A boring was put down at Kip Hill, 

 near Beamish. 



Boring operations from the surface were being 

 carried out by T. Rawlings on the Thornley 

 estate ; in the vicinity of West Auckland, by 

 Thomas and G. Rawlings ; and in the Gares- 

 field grounds, near Winlaton, for the owners of 

 Thornley Colliery. 



1767. Some deep borings were in progress at 

 Pallion, near Sunderland, and a bore-hole put 

 down at Pelton Fell from the surface, proving 

 the Hutton Seam, near Howlet Hall. 



1769. Boring operations were in progress 

 from the surface on the Low Flatts estate at 

 South Pelaw in the township of Harraton, and 

 on Lanchester Common, proving the Brass Thill 

 Seam. 



1771. A boring was made from the Hard 

 Coal Seam (north of Broom Pit) to the Hutton 

 Seam. 



1772. Boring operations were commenced at 

 Hetton le Hole. 



1773. A boring was made for water for 

 Sir Walter Blackett's refining mill. 



1774. Commenced to sink a pit at New- 

 bottle, 10 August, from the surface to the Main 

 Coal Seam. 



1776. Boring operations from the surface 

 were in progress on the southern extremity of 

 Waldridge Common, proving the Hutton Seam. 



A pit was sunk at Lumley Park Colliery below 

 the thill of the Top Main Coal down to the Low 

 Main Seam, and the No. 2 Pit, Lumley Park, 

 was sunk down from the Top Main Coal to the 

 Hutton Seam. 



1777. Boring operations were in progress in 

 an old pit at Quarrington, working a seam at a 

 depth of 23 fathoms, to find a lower seam. 



1779. Boring operations were being carried 

 on at Blaydon Colliery by Andrew Wake. 



1781. Boring operations from the surface 

 were commenced in vicinity of Wolsingham, for 

 the use of Messrs. Pearson, Wright & Todd, and 

 on the Chopwell estate. 



1782. Boring operations were in progress at 

 Newton Cap from the surface, proving the Five 

 Quarter Seam. 



1783. Boring operations were in progress in 

 the neighbourhood of Boggle Hall, Stella. 



1784. A boring was put down below the 

 Hard Coal Seam, South Pit, Beamish South 

 Moor. 



1785. A bore-hole, proving three thin seams 

 in a depth of 1 1 fathoms, was put down in the 

 east working of the Oak Tree Pit, Grand Lease 

 royalty. 



1787. Boring operations were in progress at 

 Kelloe from the surface to Five Quarter Seam ; 

 a bore-hole was put down from the thill of the 

 Main Coal Seam in a pit at Ryton, a little north- 

 east of the Glebe or Towneley Colliery, which 

 proved the Crow, Old Five Quarter, and Ruler 

 Seams. 



1790. A boring was put down in the South 

 Pit, East Rainton, by Mr. Rawlings, from a seam 

 lying 10 fathoms below the surface, and proving 

 the Half Yard, Five Quarter, and Main Coal 

 Seams. 



1791. C Pit, Bournmoor Colliery, was sunk 

 from the surface to the Hutton Seam. 



A bore-hole was put down at the bottom of 

 the shaft in the Fifth Pit, Lumley Colliery, 

 below the level of the Main Coal Seam, to prove 

 the Hutton Seam. 



1792. The Lambton Pit, Penshaw Colliery, 

 was commenced and sunk from the surface to 

 the Main Coal Seam. 



1795. A deep bore-hole was put down in 

 the Maria Pit, Chopwell Colliery, below the 

 Brockwell Seam. 



The A Pit, Stella Grand Lease Colliery, 

 commenced to sink on 7 October, and was put 

 down from the surface to the Brockwell Seam. 



A staple was sunk from the surface at Twizell, 

 near Edmondsley, proving four thin seams. 



1796. Crawford's Elizabeth Pit, Crawcrook, 

 was sunk from the surface to the Five Quarter 

 Coal. 



1797. Boring operations from surface were 

 in progress in vicinity of Tow Law. 



1798. Taylor Pit, Chopwell Colliery, was 

 sunk from the surface to the Three Quarter 

 Seam. 



The Engine Pit, Tyne Main Colliery, bored 

 below the thill of the Low Main Seam, proving 

 the Beaumont and Denton Low Main. 



Ash Tree Colliery, Garesfield, was sunk from 

 the surface to the Stone Coal Seam. 



1799. A boring was put down below the 

 Hutton Seam, Engine Pit, Twizell Colliery. 



Conclusion Pit, Chopwell Colliery, was sunk 

 from the surface to the Three Quarter Seam. 



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