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Coal mining in Limburg, a province of the Netherlands, has taken place since the 16th century. Near the Augustinian Abbey of Rolduc, coal is found very close to the surface. The abbey owned the coal, and beginning in the 16th century hired local miners to extract the coal for sale as fuel. The true extent of the coal reserves in the south-east corner of Limburg first became apparent in 1870, when the wealthy Count Marchant and Ansembourg of Brussels ordered the first boreholes to be drilled near Eygelshoven, and a substantial seam of coal was found at a depth of 154 metres. The demand for coal had grown explosively as a result of increased industrialization and urban expansion, but the national governments regarded any form of interference in the extraction and sale of this fuel as unnecessary. Thus it came about that the first concessions for the extraction of coal in South Limburg were granted without hesitation to foreign firms, although most of the coal consumed in the Netherlands was imported from Germany, and Dutch investors preferred to invest their capital in foreign countries, such as in Russian government loans, American railways, and Hungarian waterworks. == State interference == Around 1900 the first voices were raised for nationalization of the Limburg coal fields, in the context of the threat of war in the Balkans. In 1897 the Venlo-born priest parliamentarian Dr. Willem Nolens uttered in the Lower Chamber of the Dutch parliament the phrase that would eventually lead to the formation of the Limburg State Mines: "A country that does not know how to use its natural resources of wealth demonstrates that it is not worthy of them". In 1903, a start was made on the Wilhelmina state mine, and four years later the first coal from this mine came onto the market. In 1910 the net production of the state mines was 192,000 tonnes, and the total personnel numbered 1,479. Thirty years later, four mines financed by state money had been taken into production, and had overtaken the private mining sector. Production had reached almost eight million tonnes and the number of employees was 23,633. The biggest mine in the Limburg coal basin, and the biggest in Europe, was the Maurits state mine, which was the last to be taken into operation, in 1926, and the first to be closed down, less than forty years later. The twelve Limburg pits had together produced around 600 million tonnes of coal when the cabinet of Jo Cals decided to completely close down coal production in the province of Limburg, and the then minister of economic affairs, Joop den Uyl, decided to make a personal visit to the mining centre of Heerlen to announce his decision. A natural gas field had been discovered in the province of Groningen, a gigantic reservoir of clean energy that would be much cheaper to exploit than coal from Limburg, which by then had to be fetched to the surface from a depth of over 800 metres. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mining in Limburg」の詳細全文を読む スポンサード リンク
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