@misc{indiciae99edd4c3c607,
  title = {GAP Analysis Bulletin Number 15},
  author = {Jill Maxwell and Kevin Gergely and Jocelyn Aycrigg and Gabrielle Canonico and Anne Davidson and Nicole Coffey},
  year = {2008},
  url = {https://pubs.usgs.gov/publication/gap15},
  note = {Source identifier: gap15}
}