TY  - RPRT
TI  - 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
AU  - David D. Morton
AU  - John A. Young
AU  - Nissa M. Thomsen
PY  - 2000
UR  - https://pubs.usgs.gov/publication/70006878
ID  - 70006878
ER  -