@misc{indiciae092bf15195cd,
  title = {Gap Analysis Project (GAP) Terrestrial Vertebrate Species Richness Maps for the Conterminous U.S.},
  author = {Kevin J. Gergely and Kenneth G. Boykin and Alexa McKerrow and Matthew J. Rubino and Nathan M. Tarr and Steven G. Williams},
  year = {2019},
  doi = {10.3133/sir20195034},
  url = {https://pubs.usgs.gov/publication/sir20195034},
  note = {Source identifier: sir20195034}
}