@misc{indiciae2cefcce86240,
  title = {Use of multi-date Landsat TM imagery to map Eastern hemlock ( Tsuga canadensis ) decline due to hemlock woolly adelgid ( Adelges tsugae ) in Shenandoah National Park},
  author = {David D. Morton and John A. Young and Nissa M. Thomsen},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70006878},
  note = {Source identifier: 70006878}
}