TY  - RPRT
TI  - Petrography and geochemistry of selected lignite beds in the Gibbons Creek mine (Manning Formation, Jackson Group, Paleocene) of east-central Texas
AU  - Peter D. Warwick
AU  - Sharon S. Crowley
AU  - Leslie F. Ruppert
AU  - James Pontolillo
PY  - 1997
DO  - 10.1016/s0166-5162(97)00028-1
UR  - https://pubs.usgs.gov/publication/70019290
ID  - 70019290
ER  -