In the dialogue box that appears, enter a descriptive name in the Name field. With the new folder selected, click the Add Image Overlay tool found in the menu bar. In Places in the table of contents (left pane) in Google Earth interface, right-click My Places and select Add > Folder. Open Google Earth and zoom into the rough location of the antique map. For example, is it a neighbourhood in a city, or an entire country, or somewhere in between? You can use an Ontario road map as an example for this exercise Save a select and save a scanned and digitized map to your local computer drive and familiarize yourself with its geographical location. Google Earth will be used as a backdrop to overlay and digitize historical maps.
Requirements: Google Earth Desktop installed and an image file (e.g.: JPEG, TIFF) of an historical map or an aerial image. PDF version: Georeferencing and digitizing scanned maps in Google Earth Georeferencing and digitizing scanned maps in Google Earth This help guide outlines the process to georeference (geographically place on the surface of the earth) a scanned map or aerial image and digitize features from it in Google Earth.
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