TY  - RPRT
TI  - Coal resources of the Lakhra and Sonda coal fields, southern Sind Province, Pakistan; a progress report
AU  - S. P. Schweinfurth
AU  - J.R. SanFilipo
AU  - E.R. Landis
AU  - R.A. Khan
AU  - A.A. Shah
PY  - 1990
DO  - 10.3133/ofr9059
UR  - https://pubs.usgs.gov/publication/ofr9059
ID  - ofr9059
ER  -