TY  - RPRT
TI  - Huminite reflectance measurements of Paleocene and Upper Cretaceous coals from borehole cuttings, Zavala and Dimmit counties, South Texas
AU  - Paul C. Hackley
AU  - Robert W. Hook
AU  - Peter D. Warwick
PY  - 2005
DO  - 10.3133/ofr20051144
UR  - https://pubs.usgs.gov/publication/ofr20051144
ID  - ofr20051144
ER  -