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The TFDL and all Branch libraries are closed. Use our extended hours chat feature to get help online or consult with one of our librarians. See Libraries & Cultural Resources COVID-19 page for updates. All overdue fines are suspended. Items on term loans will automatically renew.

GIS Resources

Spatial and Numeric Data Services guide to GIS data available at the University of Calgary.


Alberta Digital air photos:

Digital orthophotos:

What is a digital orthophoto?  USGS




Satellite images:

Satellite and air photo imagery links from SANDS Maps remote sensing libguide

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