Council of Scientific and Industrial Research
Report of the regional coal survey station: Ranchi (Bokaro-Ramgarh and Karanpura coalfields for the period january to december 1958 / Council of Scientific and Industrial Research - n.p., n.d 1958 - 186p ill; 33cm
Coal survey
Industrial research
Coal industry
Ranchi
338.4766262 / COU
Report of the regional coal survey station: Ranchi (Bokaro-Ramgarh and Karanpura coalfields for the period january to december 1958 / Council of Scientific and Industrial Research - n.p., n.d 1958 - 186p ill; 33cm
Coal survey
Industrial research
Coal industry
Ranchi
338.4766262 / COU