TY  - RPRT
TI  - A review of the lignite resources of Arkansas
AU  - Paul C. Hackley
AU  - Jason C. Willett
AU  - Peter D. Warwick
AU  - S.J. Law
AU  - Douglas J. Nichols
PY  - 2011
UR  - https://pubs.usgs.gov/publication/70176225
ID  - 70176225
ER  -