@misc{indiciae50469e7f4ce8,
  title = {40Ar/39Ar dating of Silurian and late Devonian cleavages in lower greenschist-facies rocks in the Westminster terrane, Maryland, USA},
  author = {R. P. Wintsch and Michael J. Kunk and Brian Mulvey and C. Scott Southworth},
  year = {2009},
  doi = {10.1130/b30030.1},
  url = {https://pubs.usgs.gov/publication/70207676},
  note = {Source identifier: 70207676}
}