TY  - RPRT
TI  - Terrestrial ecosystems: Surficial lithology of the conterminous United States
AU  - Jill Cress
AU  - David Soller
AU  - Roger G. Sayre
AU  - Patrick Comer
AU  - Harumi Warner
PY  - 2010
DO  - 10.3133/sim3126
UR  - https://pubs.usgs.gov/publication/sim3126
ID  - sim3126
ER  -