@misc{indiciaed22e0991c2c7,
  title = {Creation of a 30-meter land cover database for the conterminous United States—Accomplishments and future goals},
  author = {Terry L. Sohl and James Vogelmann and B.K. Wylie and Charles R. Larson and J. Nicholas Van Driel},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70201861},
  note = {Source identifier: 70201861}
}