@dataset{currentDoc,
  author = {},
  title = {Oak Lake Ontario. 1:50,000. Map Sheet 052K05, ed. 2, 1989},
  publisher = {Other Borealis Collections},
  issued = {1989-01-01},
  howpublished = {{\url{https://doi.org/10.5683/SP3/V7KMIO}}}
}