TY  - RPRT
TI  - Methods used to create the North American soil organic Carbon digital database— Assessment methods for soils C pools
AU  - R. Lacelle
AU  - S. Waltman
AU  - N.B. Bliss
AU  - F. Orozco-Chavez
PY  - 2001
UR  - https://pubs.usgs.gov/publication/70182534
ID  - 70182534
ER  -