@dataset{currentDoc,
  author = {},
  title = {Niagara (East) Ontario. 1:50,000. Map Sheet 030M03, ed. 3, 1955},
  publisher = {Other Borealis Collections},
  issued = {1955-01-01},
  howpublished = {{\url{https://doi.org/10.5683/SP3/V3SS45}}}
}