This is a geological map of the Sudbury mining district from 1900, showing the location of mines and mining properties, as well as distribution of rocks and township boundaries.
This is a geological map of parts of the districts of Algoma and Nipissing in 1900. It shows different rock and soil materials, as well as some lot boundaries.
This is a geological map of the south eastern part of the Rainy River Distrct in Ontario from 1895. It shows different rock and soil materials, as well as surveyed lots.