@dataset{currentDoc,
  author = {},
  title = {Mine Centre Ontario. 1:50,000. Map Sheet 052C15, ed. 4, 2010},
  publisher = {Other Borealis Collections},
  issued = {2010-01-01},
  howpublished = {{\url{https://doi.org/10.5683/SP3/IWO0RL}}}
}