@misc{indiciaed998ea419d50,
  title = {Using U.S. Geological Survey data in material flow analysis: An introduction},
  author = {S.F. Sibley},
  year = {2009},
  doi = {10.1111/j.1530-9290.2009.00160.x},
  url = {https://pubs.usgs.gov/publication/70035610},
  note = {Source identifier: 70035610}
}