TY  - RPRT
TI  - Major and trace elements in Mahogany zone oil shale in two cores from the Green River Formation, piceance basin, Colorado
AU  - M. L. Tuttle
AU  - W.E. Dean
AU  - N. L. Parduhn
PY  - 1983
UR  - https://pubs.usgs.gov/publication/70011267
ID  - 70011267
ER  -