Explore the Historical Topographic Maps 1:63,360 Index collection on the GeoPortal: https://bit.ly/47Du2Qx

#GISDay2023 #GISWeek #worldgisday #GISDay

Explore the Historical Topographic Maps: 1:50,000 Index collection on the GeoPortal: https://bit.ly/47xc8i1

#GISDay2023 #GISWeek #worldgisday #GISDay

It's #GISDay2023 and we're showing off our top GeoPortal collections: The Historical Topographic Maps!

The GeoPortal offers search, discovery, download, map visualization and analysis tools so users can track changes over time.

This animation shows changes to the Port Lands of Toronto from 1909-1985 (created by Anugra Shah, GIS Developer at Scholars Portal).

#GISWeek #GISDay #worldgisday

Just outed myself as a dinosaur on #WorldGISday having first used ARC/INFO - do so little more it was nice to do some open mapping for missing maps with #Arup