@misc{indiciaeab9b99963233,
  title = {Fracture studies in Cretaceous and Paleocene strata in and around the Piceance Basin, Colorado; preliminary results and their bearing on a fracture-controlled natural-gas reservoir at the MWX site},
  author = {E.R. Verbeek and M. A. Grout},
  year = {1984},
  doi = {10.3133/ofr84156},
  url = {https://pubs.usgs.gov/publication/ofr84156},
  note = {Source identifier: ofr84156}
}