@dataset{currentDoc,
  author = {},
  title = {Kaladar Ontario. 1:50,000. Map Sheet 031C11, ed. 2, 1969},
  publisher = {Other Borealis Collections},
  issued = {1969-01-01},
  howpublished = {{\url{https://doi.org/10.5683/SP3/HXNGY3}}}
}