Dating old maps
Make sure you choose points that are unlikely to have changed over time.Built elements such as railways and roads (especially where they intersect) may be more reliable than creeks or coastlines, which may have shifted due to natural processes. After saving, you will be given the option to view or compare and overlay the map. This 1569 map/tabula by Gerardus Mercator has a very special and unique historic value for Icelandic maritime history, voyages of discovery into the Arctic.Top left to the old equator line is an Island by the name of Groclant , followed by the text in latin,: Groclant insula cujus incolae Suedi sunt origine.Open georeferencer The application will open in a side-by-side view, with the historical map appearing on the right and its modern counterpart on the left.On the modern map (left) you will need to zoom in to Queensland to start.Use the search option at the top left if necessary.
request=Get Capabilities&service=WMSYou can choose to input your points visually (by zooming in and assigning) or by entering coordinates.First, find a recognisable point such as a town, river or road name.