Exploratory drilling of shot boreholes for survey for coalin tangarpali east coal Block, Jharsuguda & Sundargarh Dist(PDF 959 KB)
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Exploratory drilling of shot boreholes for survey for coalin tangarpali east coal Block, Jharsuguda & Sundargarh Dist(PDF 959 KB) |
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10/07/2020 | 31/12/2020 | View (959 KB) 198 (1 MB) |