@misc{indiciaed0f320eba825,
  title = {An Assessment of gas resources in low-permeability sandstones of the Upper Cretaceous Mesaverde Group, Piceance basin, Colorado},
  author = {R. C. Johnson and R. A. Crovelli and C. W. Spencer and R. F. Mast},
  year = {1987},
  doi = {10.3133/ofr87357},
  url = {https://pubs.usgs.gov/publication/ofr87357},
  note = {Source identifier: ofr87357}
}