@misc{indiciae4d51b0571e65,
  title = {The North America tapestry of time and terrain},
  author = {Kate E. Barton and David G. Howell and Jose F. Vigil},
  year = {2003},
  doi = {10.3133/i2781},
  url = {https://pubs.usgs.gov/publication/i2781},
  note = {Source identifier: i2781}
}