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Catalogue

Miscellaneous documents

Reference: D/X 1849 Catalogue Title: Miscellaneous documents Area: Catalogue Category: Other Records Description: Londonderry Collieries at Seaham and Silksworth

Covering Dates: 1890-1899

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Catalogue Description

The Marquess of Londonderry owned a large number of collieries in County Durham, including at Seaham and Silksworth, to which these records principally relate.
Seaham Colliery was sunk in 1849 [DCRO Ref: NCB 24/90] and closed in 1986 [DCRO Ref: NCB 24/75].
Silksworth Colliery was sunk in 1869-73 [DCRO Ref: NCB 24/117] and closed in 1971 [DCRO Ref: NCB 24/78].
For further records relating to these mines, see NCB collection.
For further records relating to these mines and to the Londonderry family, see D/Lo collection.

Catalogue Contents

Londonderry Collieries (Ref: D/X 1849/1-4)

Valuations, profit and loss statements, and various statistics relating to the running costs and future financial viability of collieries at Seaham and Silksworth, 1890 - 17 February 1898 Includes: business diary of Lord Londonderry, 25 May 1897 - 6 December 1898 plan showing royalties at Seaham Harbour, 1898 (Scale 1 inch: 1 mile) plan of collieries at Seaham, n.d. [c.1898] (Scale 6 inches: 1 mile) related press cuttings, 10 July 1897 - 29 July 1898
(1 volume)


Letters relating primarily to administration and financial matters at Londonderry collieries at Seaham and Silksworth, 2 June 1897 - 30 July 1898
(1 volume)


Letters enclosing or acknowledging receipt of payments for inspections, reports and valuations at Seaham and other unidentified Londonderry Collieries, 25 May 1899 - 1 June 1899 [Originally enclosed in D/X 1849/2]
(5 papers)


Leases and general running of Silksworth Colliery, including exchange of coal with Wearmouth Coal Company, 17 June 1897 - 29 May 1889 Includes: epitome of leases held by Earl Vane, 1868 production statistics and financial summaries, 1892-1897 plan of five quarter seam at Silksworth Colliery (Scale 6 inch to 1 mile) n.d. [c.1897] plan of damaged land at Silksworth Colliery (Scale 25.344 inches to 1 mile) n.d. [c.1897] plan of colliery houses at Silksworth Colliery (Scale 25.344 inches to 1 mile) n.d. [c.1897]
(1 volume)


Leases, proposals for undersea workings and valuation of Seaham Colliery, 17 June 1897 - 28 August 1899 Includes: estimates of coal remaining at Seaham, October 1897 statistics [of coal remaining?] at other collieries including Murton, Ryhope and South Hetton, n.d. [c.1897] plans of land occupied by Seaham Colliery (2 plans: Scale unknown and Scale 25.344 inches to the mile), September 1897 Tentale [rent paid to the leasor for a ten of coals] paid to Lord Londonderry, 26 December 1891 - 13 May 1896
(1 volume)