@misc{indiciaeb82b9552886b,
  title = {Methods used to create the North American soil organic Carbon digital database— Assessment methods for soils C pools},
  author = {R. Lacelle and S. Waltman and N.B. Bliss and F. Orozco-Chavez},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/70182534},
  note = {Source identifier: 70182534}
}