@misc{indiciaefc6a3ec4e313,
  title = {Significance of headwater streams and perennial springs in ecological monitoring in Shenandoah National Park},
  author = {Craig D. Snyder and James R. Webb and John A. Young and Zane B. Johnson},
  year = {2013},
  doi = {10.3133/ofr20131178},
  url = {https://pubs.usgs.gov/publication/ofr20131178},
  note = {Source identifier: ofr20131178}
}