TY  - RPRT
TI  - Petrography, geochemistry, and depositional setting of the San Pedro and Santo Tomas coal zones: Anomalous algae-rich coals in the middle part of the Claiborne Group (Eocene) of Webb County, Texas
AU  - Peter D. Warwick
AU  - Robert W. Hook
PY  - 1995
DO  - 10.1016/0166-5162(95)00022-4
UR  - https://pubs.usgs.gov/publication/70018728
ID  - 70018728
ER  -