Regional correlation of the middle coal group of the Upper Cretaceous Mesaverde Group, Yampa coal field, Moffat and Routt counties, Colorado

@inproceedings{Johnson1988RegionalCO,
  title={Regional correlation of the middle coal group of the Upper Cretaceous Mesaverde Group, Yampa coal field, Moffat and Routt counties, Colorado},
  author={E. Johnson and M. Brownfield},
  year={1988}
}
  • E. Johnson, M. Brownfield
  • Published 1988
  • Geology