PotHole Subsidence Potentiality in Nongtrai Limestone ...
PotHole Subsidence Potentiality in Nongtrai Limestone Mine of Lafarge Umium Mining Private Limited, Shillong, Meghalaya Amar Prakash*, Ajay Kumar, Kalendra Badur Singh Scientist, Central Institute of Mining Fuel Research, Dhanbad, India amar_cmri
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