TY - RPRT TI - Rank enhancement of Permian Barakar and Raniganj coal measures in the western part of the Sohagpur Coalfield, Madhya Pradesh, India AU - Abhijit Mukhopadhyay AU - S. Adhikari AU - S.P. Roy AU - S. Bhattacharya AU - Peter D. Warwick AU - Robert C. Milici AU - E.R. Landis PY - 2001 UR - https://pubs.usgs.gov/publication/70195475 ID - 70195475 ER -