The Forest of Dean Coalfield, underlying the Forest of Dean, in west Gloucestershire, is one of the smaller coalfields in the British Isles, although intensive mining during the 19th and 20th centuries has had enormous influence on the landscape, history, culture, and economy of the area.
For hundreds of years, mining in the Forest of Dean Coalfield has been regulated through a system of freemining, in which individuals who qualify are granted leases to mine specified areas, known as gales. The Coal Industry Nationalisation Act 1946 exempted the Forest of Dean because of its unique form of ownership and history, allowing the unique privilege to continue intact.
The last of the big gales closed in 1965 and today only a few small collieries are still operating. [1]
The Forest of Dean Coalfield formed during Upper Carboniferous times, when the area was a nearshore-intertidal environment of semi-marine estuaries and swamps. The area today is a raised basin plateau of Paleozoic rocks folded in the Variscan Orogeny. It occurs in a raised asymmetrical syncline with a steeper eastern limb that surfaces in the area of Staple Edge and the Soudley Valley producing the steeply dipping strata. An unusual feature of the Forest of Dean Coalfield is that its edges are almost entirely exposed at the surface. [2]
Mining in the coalfield has always been hampered by the excessive amount of water encountered underground - trapped by the basin-shaped strata. Water drains into the basin by general percolation and, more directly, via surface watercourses. For much of their length, streams in the area run over impervious clay deposits, but, where valleys cut through the rim of the basin, carboniferous limestone and sandstone are exposed, allowing water to penetrate underground via swallow holes, cracks, and fissures. Water also enters the basin through geological faults.
In an attempt to reduce the pumping requirement, many mine owners 'waterproofed' the beds of watercourses with conduits or channels, wherever water loss was thought likely to occur. These artificial drainage features can be seen, at some point or other, on almost every watercourse within the mining area. [3]
And be it enacted, that all Male Persons born or hereafter to be born and abiding within the said Hundred of Saint Briavels, of the Age of Twenty-one Years and upwards, who shall have worked a Year and a Day in a Coal or Iron Mine within the said Hundred of Saint Briavels, shall be deemed and taken to be Free Miners for the Purposes of this Act.
— The Dean Forest (Mines) Act 1838.
For hundreds of years, mining in the Forest of Dean Coalfield has been regulated through a system of freemining; where individuals, if they qualify, can lease a specified area in which to mine. Freeminers were instrumental in recapturing Berwick upon Tweed several times (1296, 1305, and 1315) and it is thought that freemining rights were granted by Edward I as a reward for their endeavours. The Free Miner's Mine Law Court sat at the Speech House from 1682 and the earliest known existing copy of Dean Miners' Laws and Privilege's, known locally as the Book of Dennis, dates from 1610, but the copy contains references to much earlier origins. [4]
Towards the end of the 18th century, as the Industrial Revolution took hold, increasing demand for coal and iron led to conflicting mining interests and the court became bogged down with disputes. Deep coal and iron reserves could not be mined without substantial investment and the Crown became determined to introduce the free market into the Forest. The Mine Law Court was outlawed in 1777 and all its documents were confiscated by Crown Officials.
A Royal Commission was appointed in 1831 to inquire into the nature of the mineral interests and freemining customs in the Forest of Dean, leading to the passing of the Dean Forest Mines Act 1838, [5] [6] which forms the basis of freemining law. It confirmed the freeminers' exclusive right to the minerals of the Forest of Dean, but also allowed freeminers to sell their gales to a non-freeminers; further opening up the Forest to outside industrialists. [7]
As of 2010 the gender requirement has been recognised as archaic, and women are allowed to become freeminers. [8]
Coal mining, on a small scale, began before Roman times. [9] The small mines were widespread but as iron mining was of greater importance, mining coal was possibly a by-product. Edward Terringham, a Gentleman of the Bedchamber in the court of Charles I was granted a monopoly to mine coal in the Forest, infringing the rights of freeminers and leading to widespread and sometimes violent confrontation. To improve production and enable year-round working, Terringham built a drainage sough and brought in labour from Staffordshire. He abandoned the lease to Sir John Winter for an annuity in 1640. Disafforestation took place but Winter was deprived of his rights during the Protectorate and after the Restoration gave up the lease. [10] At this time the coal, which amounted to about 25,000 tons in 1680, was shipped out of the area via the River Wye. [11]
The coalfield was not exploited to any great degree until the Industrial Revolution, when coke-fired ironworks were built in the Forest. [12] Initially, it proved impossible to produce coke from local coal that was ideal for smelting [13] which was a major factor in the failure of three early furnaces within a decade of them opening. Around 1820 Moses Teague, whilst borrowing the cupola furnace at Darkhill Ironworks, discovered a way to make good iron from local coke, greatly advancing the iron and coal industries of the Forest of Dean.
By the mid-19th century, there were more than 300 gales or coal workings and it was said there were more men working below ground than there were working above. [14]
The Coal Industry Nationalisation Act, of 1946 exempted the Forest of Dean, due to its unique form of ownership and history, allowing freemining privileges to continue intact. Some large colliery gales were subsequently compulsorily purchased by the National Coal Board (NCB), but remained under the freemining system and a royalty was paid to the freeminers by the NCB as a share of the minerals extracted.
In 1945 half the male population of the Forest were employed in coal mining. [15] The last of the NCB gales closed in 1965, but freemining continues to be an important aspect of Forest of Dean culture and there are probably still around 150 freeminers, although only a small number of collieries are still operating. [16]
The collieries or gales, most of which were small, were given "imaginative" somewhat unusual names, such as Strip and At It, Gentleman Colliers or Rain Proof. They took coal from seams or delfs named Rocky, Lowery, and Starkey. Child labour was used extensively underground to drag loads of coal up to 1842 when it was made illegal. [17]
In 1904 some gales were amalgamated into seven groups in order to mine on a larger scale from deeper seams and the output reached one million tons annually. Output declined after World War II and the last big pit closed in 1965 and the area was subject to opencast working. Coal is still mined on a very small scale. [17]
The Forest of Dean is a geographical, historical and cultural region in the western part of the county of Gloucestershire, England. It forms a roughly triangular plateau bounded by the River Wye to the west and northwest, Herefordshire to the north, the River Severn to the south, and the City of Gloucester to the east.
Cinderford is a town and civil parish on the eastern fringe of the Forest of Dean in Gloucestershire, England. The population was 8,777 at the 2021 Census.
The National Coal Board (NCB) was the statutory corporation created to run the nationalised coal mining industry in the United Kingdom. Set up under the Coal Industry Nationalisation Act 1946, it took over the United Kingdom's collieries on "vesting day", 1 January 1947. In 1987, the NCB was renamed the British Coal Corporation, and its assets were subsequently privatised.
The history of coal mining goes back thousands of years, with early mines documented in ancient China, the Roman Empire and other early historical economies. It became important in the Industrial Revolution of the 19th and 20th centuries, when it was primarily used to power steam engines, heat buildings and generate electricity. Coal mining continues as an important economic activity today, but has begun to decline due to the strong contribution coal plays in global warming and environmental issues, which result in decreasing demand and in some geographies, peak coal.
Big Pit National Coal Museum is an industrial heritage museum in Blaenavon, Torfaen, Wales. A working coal mine from 1880 to 1980, it was opened to the public in 1983 as a charitable trust called the Big Pit (Blaenavon) Trust. By 1 February 2001 Big Pit Coal Museum was incorporated into the National Museums and Galleries of Wales as the National Mining Museum of Wales. The site is dedicated to operational preservation of the Welsh heritage of coal mining, which took place during the Industrial Revolution.
The South Wales Coalfield extends across Pembrokeshire, Carmarthenshire, Swansea, Neath Port Talbot, Bridgend, Rhondda Cynon Taf, Merthyr Tydfil, Caerphilly, Blaenau Gwent and Torfaen. It is rich in coal deposits, especially in the South Wales Valleys.
Freeminer is an ancient title given to coal or iron miners in the Forest of Dean, Gloucestershire, England, who have earned the right to mine personal plots, known as gales.
The Kent Coalfield is a coalfield in the eastern part of the English county of Kent. The Coalfields Trust defines the Kent Coalfield as the wards of Barham Downs and Marshside in the Canterbury district, and the wards of Aylesham, Eastry, Eythorne & Shepherdswell, Middle Deal & Sholden, Mill Hill and North Deal in the Dover district.
Agecroft Colliery was a coal mine on the Manchester Coalfield that opened in 1844 in the Agecroft district of Pendlebury, Lancashire, England. It exploited the coal seams of the Middle Coal Measures of the Lancashire Coalfield. The colliery had two spells of use; the first between 1844 and 1932, when the most accessible coal seams were exploited, and a second lease of life after extensive development in the late 1950s to access the deepest seams.
Mining in Wales provided a significant source of income to the economy of Wales throughout the nineteenth century and early twentieth century. It was key to the Industrial Revolution in Wales.
The South Yorkshire Coalfield is so named from its position within Yorkshire. It covers most of South Yorkshire, West Yorkshire and a small part of North Yorkshire. The exposed coalfield outcrops in the Pennine foothills and dips under Permian rocks in the east. Its most famous coal seam is the Barnsley Bed. Coal has been mined from shallow seams and outcrops since medieval times and possibly earlier.
The Cheadle Coalfield is a coalfield in the United Kingdom. Centred on the town of Cheadle, Staffordshire and its outlying villages it lies to the east of Stoke-on-Trent and the much larger North Staffordshire Coalfield. The area has been mined for many years, with documentary evidence from Croxden Abbey citing coal mining in the 13th century.
New Fancy was a colliery on the Forest of Dean Coalfield near Parkend in Gloucestershire, England. After the colliery closed its spoil heap was landscaped. The site has a picnic area, and viewing site from where goshawks can be seen. It is linked to the Forest of Dean Family Cycle Trail.
The Lancashire Coalfield in North West England was an important British coalfield. Its coal seams were formed from the vegetation of tropical swampy forests in the Carboniferous period over 300 million years ago.
The Astley and Tyldesley Collieries Company formed in 1900 owned coal mines on the Lancashire Coalfield south of the railway in Astley and Tyldesley, then in the historic county of Lancashire, England. The company became part of Manchester Collieries in 1929 and some of its collieries were nationalised in 1947.
Bradford Colliery was a coal mine in Bradford, Manchester, England. Although part of the Manchester Coalfield, the seams of the Bradford Coalfield correspond more closely to those of the Oldham Coalfield. The Bradford Coalfield is crossed by a number of fault lines, principally the Bradford Fault, which was reactivated by mining activity in the mid-1960s.
Coventry Colliery was a coal mine located in the village of Keresley End in northern Warwickshire, between Bedworth and Coventry, England. Closed in 1991, the site today has been redeveloped as a distribution park, owned by Prologis.
Eastern United Colliery was a drift mine in the Forest of Dean, Gloucestershire, England served by the Great Western Railway's Forest of Dean Branch.
Bank Hall Colliery was a coal mine on the Burnley Coalfield in Burnley, Lancashire near the Leeds and Liverpool Canal. Sunk in the late 1860s, it was the town's largest and deepest pit and had a life of more than 100 years.
The Industrial Revolution in Wales was the adoption and developments of new technologies in Wales in the 18th and 19th centuries as part of the Industrial Revolution, resulting in increases in the scale of industry in Wales.
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