INDUSTRIES 



1883. A diamond boring for salt was put 

 down at Port Clarence by Mr. John Vivian for 

 Messrs. C. Allhusen & Son. 



The No. 2 or Surtees shaft, Collierley Colliery, 

 was sunk from the surface to the Bottom Busty 

 Seam. 



1884. Boring operations from the surface 

 were in progress in the neighbourhood of Shildon 

 Colliery. 



1885. An upover staple was driven from the 

 Busty to the Harvey Seam, New Shildon 

 Colliery. 



A diamond boring for salt was put down at 

 Westfield, Haverton Hill, for Mr. George Dyson. 



A number of diamond borings were put down 

 for salt on Cowpen Marsh in the township of 

 Billingham by Mr. John Vivian for the New- 

 castle Chemical Works Company, Limited. 



1886. A bore-hole for salt was put down at 

 Sandfield, Haverton Hill. 



A boring for salt was put down at Stone Marsh 

 or Sweethill near Haverton Hill. 



The C Pit staple, Hebburn Colliery, was sunk 

 further to the Brockwell Seam, and a boring put 

 down further still. 



1887. Commenced boring operations below 

 the Hutton Seam at Silksworth Colliery, 27 Sep- 

 tember, proving the existence of no workable 

 coal below the Bottom Busty. 



A diamond bore-hole for salt was put down 

 near Seaton Carew for Mr. C. T. Casebourne. 



A staple was sunk below the Hutton Seam at 

 Heyworth Colliery down as far as the Brockwell 

 Seam, and a boring continued lower. 



A boring was put down below the Brockwell 

 Seam at the bottom of the Arthur Pit, Peases 

 West Collieries, by Mr. Coulson, but without 

 proving workable coal. 



A diamond boring for salt was put down by 

 Mr. John Vivian for Mr. C. T. Casebourne at 

 March House, near Greatham. 



Sunk the Chester South Moor Fan Pit, Wal- 

 dridge Colliery, from the surface to the Busty 

 Bank Seam. 



1888. A diamond boring was put down at 

 Warren Cement Works, West Hartlepool, by 

 Mr. John Vivian. 



1889. A diamond boring for salt was put 

 down by Mr. John Vivian on the White House 

 estate, near Norton. 



Broom Park Pit was being sunk from the 

 Hutton to the Victoria Seam, Wheatley Hill Pit, 

 from the Main Coal to the Busty, and Chester 

 South Moor Colliery from the Hutton to the 

 Busty. 



1890. A bore-hole for water was put down 

 at the Victoria Brewery, Darlington, for Mr. H. 

 Warwick. 



South Pelaw Colliery was restarted and sunk 

 from the surface to the Busty Seam. 



1891. No. 3 shaft, Deaf Hill Colliery, was 

 sunk by Mr. Frank Coulson from the surface to 

 the Harvey Scam, for the Trimdon Coal Com- 

 pany. 



A boring was put down in the Alexandrina 

 Pit, Rainton Colliery, below the thill of the 

 Main Coal Seam, to prove the Low Main Seam. 



A diamond boring for salt was put down at 

 Haverton Hill for Messrs. C. Allhusen & 

 Partners. 



A bore-hole was put down at Tanfield Lea 

 Colliery from the thill of the Brass Thill Seam 

 to the Hutton Seam. 



A boring was put down at South Hetton 

 Colliery below the thill of the Low Main Seam 

 to prove the Harvey Seam. 



In this year the hewing time from bank to 

 bank was reduced from eight hours to seven, and 

 the pits' drawing hours from eleven to ten hours 

 per day. 



1892. A deep boring was put down below 

 the thill of the Hutton Seam, near the bottom of 

 the Adventure Pit, Rainton Colliery, to prove 

 the lower coals and the Brockwell Seam. 



The Randolph shaft, Tees Helton Colliery, 

 was sunk from the Harvey to the Brockwell 

 Seam. 



1893. The Gordon House new winning was 

 sunk from the surface to the Brockwell Seam 

 for the North Beechburn Coal Company. 



Durham Main Colliery, Crook Hall Royalty, 

 was sunk from the Hutton to the Busty Seam. 



Randolph Pit, Evenwood Colliery, was sunk 

 from the surface to the Brockwell Seam. 



A series of bore-holes was put down from the 

 surface in the vicinity of Woodlands Colliery, 

 proving the Brockwell Seam, and a boring was put 

 down below the Busty Bank Seam at the Fell Pit, 

 Burnhope Colliery, proving the Brockwell Seam. 



The Pioneer shaft, Crake Scar Colliery, Cock- 

 field, was sunk from the surface through the 

 Brockwell to the lower coals. 



Boring operations from the surface were in 

 progress in the vicinity of Crake Gear Colliery, 

 Cockfield. 



Commenced on I May to sink the No. 3 

 shaft, New Brancepeth Colliery, near Durham, 

 for Messrs. Cochrane & Company ; sunk from 

 the surface to the Brockwell Seam. 



A new fan shaft was sunk near the Charlie 

 Pit, South Moor Royalty ; commenced to sink 

 9 February ; reached the Hutton Seam and 

 finished sinking operations 12 September. 



A boring was put down at Pelton Colliery be- 

 low the thill of the Busty Seam, proving the 

 Brockwell Seam too thin to work. 



1894. A deep diamond bore was put down 

 at Blaokhalls, in the township of Monk Hesleden, 



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