00658cam a22002291 4500 sa 68010468 DLC 20260227112552.0 930618m19661967ii 000 0 eng sa 68010468 (OCoLC)28292083 DLC NcD DLC premarc HD9556.I43 B45 India. Study Group on Coal Prices for Bengal-Bihar Coalfields. Report. [Delhi, Manager of Publications] 1966 [i.e. 1967] 55 p. forms. 24 cm. Cover title. Coal Prices India West Bengal. Coal Prices India Bihar. 83401 83401