@misc{indiciaec46b23486caa,
  title = {The 3D Elevation Program: summary for Puerto Rico},
  author = {William J. Carswell},
  year = {2016},
  doi = {10.3133/fs20153088},
  url = {https://pubs.usgs.gov/publication/fs20153088},
  note = {Source identifier: fs20153088}
}