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Coal mining activities were initiated in Giridih by private owners in 1857, making it the earliest coal mine in Bihar/Jharkhand. East Indian Railway started organised mining in 1896. The ownership of the coalfield was handed over to the state collieries in 1936 and then transferred to National Coal Development Corporation in 1956.
In 1917, L.S.S.O’Malley described the coalfields in the upper reaches of the Damodar as follows: "Near the western boundary of Jharia field is that of Bokaro, covering 220 square miles (570 km 2), with an estimated content of 1,500 million tons; close by… is the Ramgarh field (40 square miles), in which, however, coal is believed to be of inferior quality.
The mining activities in these coalfields started in 1894 and had really intensified in 1925. The first Indians to arrive and break monopoly of British in Coal mining were Gujarati railway contractors from Kutch [5] some of whom decided to plunge into the coal mining business and were thus the pioneers in starting coal mining in Jharia coalfields belt around 1890–95. [6]
In 1917, L.S.S. O’Malley described the coalfields in the upper reaches of the Damodar as follows: “Near the western boundary of Jharia field is that of Bokaro, covering 220 square miles (570 km 2), with an estimated content of 1,500 million tons; close by… is the Ramgarh field 40 square miles (100 km 2), in which, however, coal is believed to be of inferior quality.
In 1917, L.S.S.O’Malley described the coalfields in the upper reaches of the Damodar as follows: "Near the western boundary of Jharia field is that of Bokaro, covering" 220 square miles (570 km 2), "with an estimated content of 1,500 million tons; close by… is the Ramgarh field (40 square miles), in which, however, coal is believed to be of inferior quality.
Raniganj Coalfield covers an area of 443.50 km 2 (171.24 sq mi) and has total coal reserves of 49.17 billion tonnes, spread across Indian states of West Bengal and Jharkhand. [2] That makes it the second largest coalfield in the country (in terms of reserves). [ 4 ]
Overview. In 1917, L.S.S.O’Malley described the coalfields in the upper reaches of the Damodar as follows: “Near the western boundary of Jharia field is that of Bokaro, covering 220 square miles (570 km 2), with an estimated content of 1,500 million tons; close by is the Ramgarh field of (40 square miles), but the coal is believed to be of inferior quality.
It was the third highest reserve in Jharkhand, after Jharia Coalfield (19.4 billion tonnes) and North Karanpura Coalfield (14.6 billion tonnes). While Raniganj Coalfield is the major producer of superior quality non-coking coal, Rajmahal is one of the coalfields that has power-grade coal at shallow depth (up to 300 m).