opencast mining मीनिंग इन हिंदी

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An opencast mine was also located on the mountainside above the village.
In 1926 the opencast mine was closed due to exhaustion of the ore.
They followed the ore veins underground once opencast mining was no longer feasible.
They switched production technique to opencast mining, and made large profits.
The East Merthyr Reclamation Scheme is a euphemism for opencast mining.
The northern portal of the tunnel has been buried by opencast mining activity.
In the 1960s opencast mining took over the surrounding countryside.
To increase wartime coal production, the government introduced opencast mining all over the country.
The installation was carried out between 1988 and 1991 in the Klettwitz-Nord opencast mine.
Opencast mining took place in 1975 removing all evidence of the former mining industry.

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