TY  - RPRT
TI  - Geochemical evaluation of upper cretaceous fruitland formation coals, San Juan Basin, New Mexico and Colorado
AU  - G.E. Michael
AU  - D.E. Anders
AU  - B. E. Law
PY  - 1993
DO  - 10.1016/0146-6380(93)90094-r
UR  - https://pubs.usgs.gov/publication/70018222
ID  - 70018222
ER  -