Although the wood has been changed to coal, much of it still retains its original cell structure.

Although originally built for general commerce, this C & O rail link to the midwest was soon also being used to transport bituminous coal from the previously isolated coalfields, adjacent to the New River and the Kanawha River in West Virginia.

Although the North referred to the device as the coal torpedo in newspaper articles, the Confederates referred to it as a " coal shell ".

Although the mining communities which gave rise to these choirs largely died out in the 1970s and 1980s with the decline of the Welsh coal industry, many of these choirs continue, and are seen as a traditional part of Welsh culture and perform worldwide.

Although the use of coal waned in the late 1980s and early 1990s, as the 21st Century rolled around, the coal-mining industry in Muhlenberg and surrounding counties began to expand again and has once again provided a significant number of jobs in the region.

Although the Hueytown area has a history of farming, it has also been a part of both the steel and coal mining history of Jefferson County.

Although the peat industry did not yield much of a profit in the era of coal powered industries, the cultivation of the newly cleared land, in the 1930s also by forced labour, gave a boost to agriculture, farming, and settlement alike.

Although the village's economy was once largely supported by the coal industry, most residents currently seek employment outside village limits in nearby towns and cities such as Moundsville and Wheeling, West Virginia.

Although the Fallons ' coal and iron ventures failed, Gothic Revival, Greek Revival, and Italianate mansions and commercial buildings such as the Fallon House, a large hotel, remained, and the railroad provided a new mode of transport for the ongoing timber era.

Although it was a common carrier and offered limited passenger service until 1956, the main purpose of the Virginian Railway was to haul bituminous coal from the mountains to coal piers on the ice-free harbor of Hampton Roads.

Although the local coal mines were far from played out ( approximately 80 % of the coal in the Roslyn mines remains unextracted ) the last mine in the area closed in 1963 as business became unprofitable and an exodus of residents ensued.

Although Roslyn clings to its coal mining and timber harvesting past, its future is expected to be quite different.

Although Delbarton is located in the heart of the richest coal area of West Virginia, about 30. 1 % of families and 34. 3 % of the population live below the poverty line, including 48. 8 % of those under age 18 and 7. 1 % of those age 65 or over.

Although carbon dates can be negatively affected if the users of the hearth burned old wood or coal, the process is typically quite reliable.

Although coal mining was one of the main reasons for the success of the navigation, it has also brought problems, caused by subsidence.

Although some contemporary sources suggest there was coal mining in Oldham at a commercial scale by 1738, older sources attribute the commercial expansion of coal mining with the arrival in the town of two Welsh labourers, John Evans and William Jones, around 1770.

Although most of the district is covered by forest and is rather sparsely inhabited, the area has had a long industrial history: it was, in fact, the very abundance of timber in the area which made steel-working possible here long before Ruhr coal became readily available.

Although cargos of coal and wool moved to the railway, the carriage of grain continued, and the last commercial operation was in 1972.

Although not widely known at the time, the Thatcher government had prepared against a repeat of the effective 1974 industrial action by stock-piling coal, converting some power stations to burn petroleum, and recruiting fleets of road hauliers to transport coal in case sympathetic railwaymen went on strike to support the miners.

Although there are open pit mining operations working on coal seams up to 1000 – 1500 feet ( 300 – 450 m ) below ground level, for instance Tagebau Hambach in Germany.

Although the service sector has recently overtaken agriculture as the leading employer of Dominicans ( due principally to growth in tourism and Free Trade Zones ), agriculture remains the most important sector in terms of domestic consumption and is in second place ( behind mining ) in terms of export earnings.

Although many of the mining methods are now redundant, such as hushing and fire-setting, it is Pliny who recorded them for posterity, thereby helping us understand their importance in a modern context.

Although mining had long been practised in Britain ( see Grimes Graves ), the Romans introduced new technical knowledge and large-scale industrial production to revolutionise the industry.

Although his nationalization of the copper mining industry in the late 1960s and the volatility of international copper prices contributed to increased economic problems, matters were aggravated by his logistical support for the black nationalist movements in Ian Smith's Rhodesian Republic, South West Africa, Angola, and Mozambique.

Although the increased use of bank notes and the use of credit during this period did decrease the dependence and value of precious metals, these forms of currency still remained vital to the story of medieval mining.

Although siege warfare had moved out from an urban setting because city walls had become ineffective against modern weapons, trench warfare was nonetheless able to use many of the techniques of siege warfare in its prosecution ( sapping, mining, barrage and, of course, attrition ) but on a much larger scale and on a greatly extended front.

Although many settlements with fewer than 50, 000 inhabitants were satellite towns of Seoul or other large cities or mining communities in northeastern Kangwon Province, which would be considered urban in terms of the living conditions and occupations of the inhabitants, they still were officially classified as rural.

Although fewer than 1, 000 Swazis are directly employed in the mining sector, many workers from Swaziland processed timber from the country's extensive pine populations for mines in South Africa, and around 10, 000 – 15, 000 Swazis were employed in South African mines.

Although mining and precious stones have been human interests throughout the history of civilization, the development of the related sciences of economic geology and mineralogy did not occur until the 18th century.

Although the country is rich in natural resources, the economy is mainly bolstered by agriculture, food processing, lumber, oil, cement, chemicals, mining, basic metals, hydropower, tourism, textile industry, migrant remittances, and the informal economy.

Although it was not as rich as gold finds in Canada and Australia, its consistency made it especially well-suited to industrial mining methods.

Although the city existed only on paper, the territorial legislature voted on November 28 in favor of Madison as its capital, largely because of its location halfway between the new and growing cities around Milwaukee in the east and the long established strategic post of Prairie du Chien in the west, and between the highly populated lead mining regions in the southwest and Wisconsin's oldest city, Green Bay in the northeast.

Although it is very selective and allows for low dilution, since the most of the ore stays in the stope until mining is completed there is a delayed return on capital investments.

Although there were mines operating in the vicinity, it was primarily designed as a bedroom community for the more affluent citizens of the mining district.

Although the 19th century saw a population boom in Hardyville as mining became more profitable, the beginning of the 20th century saw mining activities move away from the Colorado River and Hardyville.

Although plenty of placer gold was found there, gold-bearing quartz deposits were discovered in 1851 and mining those deposits for gold became the mainstay of the local economy for many years.

Although the trajectory of Silver City's development was to be different from the hundreds of other mining boom towns established during the same period, Captain Bullard himself never lived to see even the beginnings of permanence, as he was killed in a confrontation with Apache raiders less than a year later, on February 23, 1871.

Although mining in the Illinois Valley started in the rivers, gold was soon discovered in gravel beds high up the slopes above the rivers.

Although most gold mining has ceased in the Black Hills and was never done in or near Rapid City, mining of sand and gravel, as well as the raw materials for lime and Portland cement ( including chemical-grade limestone, taconite iron ore, and gypsum ) remains an important part of the economy.

Although the present-day African American population of Newcastle is small, in the 1880s when it was a mining center, Newcastle had the Puget Sound area's largest African American population, greater even than that of Seattle.

Although he is perfectly willing to cooperate with Scotland Yard, Holmes has nothing but contempt for the intelligence and mentality of the police.

Although Patchen has given previous evidence of an interest in jazz, the musical group that he works with, the Chamber Jazz Sextet, is often ignored by jazz critics.

Although today's trucks are as fast as passenger cars, a truck driver has to be a sensible person and guard against hogging the road.

Although the matter has not been unequivocally demonstrated, the available data show that micelles in themselves do not contribute significantly to the detergency process.

Although a somewhat technical subject, it has important political implications as the above discussion of the voting system indicated.

Although the pause in the advance of general business activity this year has thus far been quite modest, it is hard to escape the conclusion that the softening process will continue into the first quarter of 1961 and possibly somewhat longer.

Although refrigeration has served to extend the storage life of these products, substantially increased consumption might be possible if areas remote from the seacoast could be served adequately.

Although science has given us more effective materials, preparations from anise, castorbean, colchicum, nux vomica, mustard, fennel, and stramonium are familiar to many for the relief of human ailments.

Although progress has been made in America's system of libraries it still falls short of what is required if we are to maintain the standards that are needed for an informed America.

Although I have emphasized the barriers which an aroused nationalism has raised against relations between Christians and non-Christians in Asia, the fact is that this development has also widened the gulf between certain Afro-Asian religions themselves.

Although the axiom of countable choice in particular is commonly used in constructive mathematics, its use has also been questioned.

Although argon is a noble gas, it has been found to have the capability of forming some compounds.

Although the Indian and Greek concepts of the atom were based purely on philosophy, modern science has retained the name coined by Democritus.

Although panic attacks are not experienced by every person who has anxiety, they are a common symptom.

Although a cease-fire has held since 1994, the conflict with Azerbaijan over Nagorno-Karabakh has not been resolved.

Although MacDougall's results varied considerably from " 21 grams ", for some people this figure has become synonymous with the measure of a soul's mass.

Although, as of 2009, none of the extrasolar planets detected by ground-based astrometry has been verified in subsequent studies, astrometry is expected to be more accurate in space missions that are not affected by the distorting effects of the Earth's atmosphere.

Although hydrogen-like orbitals are still used as pedagogical tools, the advent of computers has made STOs preferable for atoms and diatomic molecules since combinations of STOs can replace the nodes in hydrogen-like atomic orbital.

Although the sign still exists, the " of " has now been replaced by the URL of their website.

Although the Caiman has not been studied in-depth, scientists have learned that their mating cycles ( previously thought to be spontaneous or year-round ) are linked to the rainfall cycles and the river levels, which increases chances of survival for their offspring.

Although Albert has received relatively little recognition in German history, his dissolution of the Teutonic State caused the founding of the Duchy of Prussia ( and also the Hohenzollern dynasty ), which would eventually become arguably the most powerful German state and instrumental in uniting the whole of Germany.

Although the family ( Amaranthaceae ) is distinctive, the genus has few distinguishing characters among the 70 species included.