TY - RPRT TI - Coal resource assessment of the Jherruck area, Sonda coal field, Sindh Province, Pakistan AU - J.R. SanFilipo AU - S.A. Khan AU - A.H. Chandio PY - 1994 DO - 10.3133/ofr93523 UR - https://pubs.usgs.gov/publication/ofr93523 ID - ofr93523 ER -