@misc{ville1975surficial,
  title = {Surficial geology map of Montreal Island}
  author = {Ville de Montreal},
  url = {http://donnees.ville.montreal.qc.ca/dataset/6c26c609-7b50-4207-acd5-a49cb9678cff/resource/0b56a4a4-212f-4438-9681-657d1c004a5b/download/geologiedepotsmeublesmontrealcommissiongeologiquecanada1975.kmz},
  year = {1975}
}