@dataset{currentDoc,
  author = {},
  title = {Dryden Ontario. 1:50,000. Map Sheet 052F15, ed. 3, 1988},
  publisher = {Other Borealis Collections},
  issued = {1988-01-01},
  howpublished = {{\url{https://doi.org/10.5683/SP3/D0GHPQ}}}
}