St George's Colliery, Back o't' Church, was a

coal mine Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from ...

operating on the

Manchester Coalfield The Manchester Coalfield is part of the South Lancashire Coalfield, the coal seams of which were laid down in the Carboniferous Period. Some easily accessible seams were worked on a small scale from the Middle Ages, and extensively from the begi ...

after 1866 in

Tyldesley Tyldesley () is a town in the Metropolitan Borough of Wigan in Greater Manchester, England. Within the boundaries of the historic county of Lancashire, it is north of Chat Moss near the foothills of the West Pennine Moors, southeast of Wigan ...

Greater Manchester Greater Manchester is a metropolitan county and combined authority, combined authority area in North West England, with a population of 2.8 million; comprising ten metropolitan boroughs: City of Manchester, Manchester, City of Salford, Salford ...

, then in the historic county of

Lancashire Lancashire ( , ; abbreviated Lancs) is the name of a historic county, ceremonial county, and non-metropolitan county in North West England. The boundaries of these three areas differ significantly. The non-metropolitan county of Lancashi ...

, England. It was owned by Sir Edmund Buckley. The colliery was situated to the south of Tyldesley Station on the

Tyldesley Loopline The Tyldesley Loopline was part of the London and North Western Railway's Manchester and Wigan Railway line from Eccles to the junction west of Tyldesley station and its continuance south west via Bedford Leigh to Kenyon Junction on the Live ...

and named after St George's Church. The colliery's two shafts were sunk to the

Rams mine The Manchester Coalfield is part of the South Lancashire Coalfield, the coal seams of which were laid down in the Carboniferous Period. Some easily accessible seams were worked on a small scale from the Middle Ages, and extensively from the begin ...

commencing in 1866 by Astley and Tyldesley Coal and Salt Company to exploit the Middle

Coal Measures In lithostratigraphy, the coal measures are the coal-bearing part of the Upper Carboniferous System. In the United Kingdom, the Coal Measures Group consists of the Upper Coal Measures Formation, the Middle Coal Measures Formation and the Lower Coal ...

of the

. The colliery was linked to Gin Pit Colliery for

ventilation Ventilation may refer to: * Ventilation (physiology), the movement of air between the environment and the lungs via inhalation and exhalation ** Mechanical ventilation, in medicine, using artificial methods to assist breathing *** Ventilator, a m ...

. A third shaft to the

Trencherbone mine The Manchester Coalfield is part of the South Lancashire Coalfield, the coal seams of which were laid down in the Carboniferous Period. Some easily accessible seams were worked on a small scale from the Middle Ages, and extensively from the begi ...

was sunk in 1884 and was deepened to the

Arley mine The Manchester Coalfield is part of the South Lancashire Coalfield, the coal seams of which were laid down in the Carboniferous Period. Some easily accessible seams were worked on a small scale from the Middle Ages, and extensively from the beg ...

. The colliery worked the Seven Foot until 1929. The colliery became part of

Manchester Collieries Manchester Collieries was a coal mining company with headquarters in Walkden formed from a group of independent companies operating on the Manchester Coalfield in 1929. The Mining Industry Act of 1926 attempted to stem the post-war decline in coal ...

in 1929 ceased coal production in 1941 but retained for ventilation purposes until 1964.

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* {{coord, 53.5119, -2.4726, region:GB_type:landmark, display=title Coal mines in Lancashire Mining in Lancashire Underground mines in England Tyldesley

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