@misc{indiciae5eb7b4ed5551,
  title = {Atlas of urban and regional change, Boston, Massachusetts, land use 1972},
  author = {Robert B. Simpson and James R. Wray},
  year = {1975},
  doi = {10.3133/ofr75201},
  url = {https://pubs.usgs.gov/publication/ofr75201},
  note = {Source identifier: ofr75201}
}