A HISTORY OF DURHAM 



Commenced to sink North Pit, Kepier Grange, 

 in January, and shaft was put down to the 

 Hutton Seam. 



Began on 25 May to sink Trimdon Grange 

 Colliery from the surface to the Low Main Seam. 



The Royal George Pit, Cornsay Fell, near 

 Tow Law, was sunk from the surface to the 

 Brockwell Seam. 



Byers Green Colliery was re-opened. This 

 colliery had been drowned out for two or three 

 years. 



Bishop Middleham Colliery was won. 



The first coals were obtained at Croxdale 

 Colliery. 



A new colliery was won at Job's Hill, Crook. 



A new colliery was won at Paddock Myers, 

 near to Evenwood Park. 



Chartershaugh Colliery was re-opened after 

 having lain idle since being drowned out by the 

 great flood on the River Wear in 177 1. 



The Emma Pit, Towneley Colliery, Ryton, 

 was commenced by the Stella Coal Company. 



Ludworth Colliery got coal at a depth of 

 840 ft. 



1846. — Sunk the Merrington Colliepy shafts, 

 Whitworth estate, from the surface to the Brock- 

 well Seam. 



Marshall Green Colliery was won. 



Ludworth Colliery commenced working. 



Commenced on 19 October to sink Peases 

 West Sunnyside Colliery, near Crook, from the 

 surface to the Brockwell Seam. 



A boring was begun at Butterknowle, west of 

 High Copley Air Pit and Cow Close Colliery. 



Black Prince Pit on Cornsay Fell and Bishop 

 Middleham Pit were sunk. 



Boring operations were in progress at Croxdale, 

 and a bore-hole was put down in the Garmonds- 

 way Moor Colliery to prove the coal lying below 

 the Harvey Seam. 



1847. — -^ bore-hole was put down from the 

 bottom of the Black Bands, near the mouth of 

 Greenhead Ironstone Drift, to prove the thin 

 coals lying below, and another was put down in 

 the Phoenix Pit, Etherley Colliery, below the 

 thill of the Main Coal Seam ; nothing was found. 



A series of boring operations from the surface 

 was in progress in the neighbourhood of St. 

 Helen's, Auckland, and on Burnhope estate. 



A boring was put down out of the Main Coal 

 Seam (Brockwell) workings to prove the thickness 

 of the ironstone bands lying below, in the B Pit, 

 Woodifield Colliery. 



1848. — Sunk the Old Durham Colliery, near 

 to ShinclifFe Mill, from the surface to the Hutton 

 Seam. 



Boring operations from the surface were in 

 progress on Thistle Flatt estate, near Crook, 

 proving the Brockwell Seam. 



The Sunderland Water Company bored down 



to the sand-bed below the Magnesian Limestone 

 on Humbledon Hill. 



1849. — Broke ground on 13 April in the 

 Seaham Colliery sinking ; shaft put down from 

 the surface to the Busty Seam. 



A new colliery was opened on the Old Dur- 

 ham estate by the marquis of Londonderry. 



Houghton Colliery recommenced working after 

 standing idle twelve years. 



1850. — A staple was sunk in the Emma Pit 

 workings, north-west of this shaft, from the Five 

 Quarters down to the Brockwell Seam. 



A boring was put down below the thill of the 

 Beaumont Seam in the Allerdene Shop Pit and 

 below the Main Coal in the Vale Pit, Crow 

 Trees Colliery, proving the Low Main Seam, as 

 also below the bottom of the Main Coal Seam, 

 West Hetton Colliery, proving the Low Main 

 Seam. 



A sinking was put down from the surface on 

 the Wheal Bottom estate, near Crook, for 

 the Thistle Flatts owners. 



Recommenced on 2 December to sink the 

 South Pit, Woodhouse Close Colliery, from a 

 depth of 15 fathoms down to the Main Coal 

 Seam. 



A working drift was driven out of Etherley 

 Dene into the Main Coal Seam on 13 June. 



A boring was put down from the Towneley 

 Seam to prove the Tilley Seam north-east of the 

 Emma Pit shaft, Towneley Colliery. 



Burnhope Colliery was sunk from the surface 

 to the Hutton Seam. 



1 85 1. — A bore-hole was put down from the 

 surface to the Harvey Seam, Thrislington Colliery, 

 proving the Old Main Coal Seam as worked out. 



1852. — Boring operations were in progress at 

 Kepier Colliery to prove the Busty Seam. 



A boring was put down from the surface, 

 near Mr. Cowen's water-mill, proving the Five 

 Quarters Seam in waste in Mr. Cowen's Free- 

 hold Pit, Stella. 



1853. — A staple was sunk 350 yds. north- 

 west from Stargate Pit shaft, Stella, from the 

 Towneley to the Tilley Seam. 



The Victoria Pit on Cornsay Hill was sunk 

 from the surface to the Brockwell Seam. 



A new pit was sunk at Dipton Colliery along- 

 side the Delight Pit from the surface to the 

 Bottom Busty Seam, and another was started at 

 Houghton Colliery to act as a furnace upcast 

 shaft. 



Boring operations were in progress at Stanley, 

 near Crook. 



A sinking was commenced from the surface 

 on 14 April on the Page Bank estate, near the 

 east boundary, and put down to the Brockwell 

 Seam. 



A series of bore-holes were put down at 

 Marshall Green Colliery, near Witton-le-Wear, 



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