@misc{indiciaeef9e582db4b8,
  title = {A floral survey of cliff habitats along Bull Run at Manassas National Battlefield Park, Virginia, 2014},
  author = {Esther D. Stroh and Matthew A. Struckhoff and Keith W. Grabner},
  year = {2015},
  doi = {10.3133/ds940},
  url = {https://pubs.usgs.gov/publication/ds940},
  note = {Source identifier: ds940}
}