@misc{indiciaeacd80bac8e3a,
  title = {Physiography, geology, and land cover of four watersheds in eastern Puerto Rico: Chapter A in Water quality and landscape processes of four watersheds in eastern Puerto Rico},
  author = {Sheila F. Murphy and Robert F. Stallard and Matthew C. Larsen and William A. Gould},
  year = {2012},
  doi = {10.3133/pp1789a},
  url = {https://pubs.usgs.gov/publication/pp1789A},
  note = {Source identifier: pp1789A}
}