TY  - RPRT
TI  - Terrestrial Ecosystems of the Conterminous United States
AU  - Roger G. Sayre
AU  - Patrick Comer
AU  - Jill Cress
AU  - Harumi Warner
PY  - 2010
DO  - 10.3133/sim3106
UR  - https://pubs.usgs.gov/publication/sim3106
ID  - sim3106
ER  -