There have been many questions recently regarding how to find images to use in instruction and post in course websites (ie copyright-free images). Below is a collection of sites where you may find such images.
NOTE: Use of images & figures from the course textbook: Check the licensing agreement that your department signed with the publisher of your course textbook, you may be permitted to use textbook content in your slides.
U.S. Geological Survey Photographic Library - All photographs within this collection are public domain; therefore, signed releases, permissions, and payment for use or reproduction are not required.
AGI's Earth Science World Image Bank - for personal or educational, non-commercial use.
NOAA/National Geophysical Data Center - Natural Hazards Image Database - Usage: credit both the source (person / organization) and NOAA/National Geophysical Data Center (Details)
Other geology images free to use for non-commercial, educational purposes:
The New York Public Library Digital Gallery has an impressive collection of digitized historical photos and other images. Terms & conditions: Low resolution files may only be used for personal, educational, or research purposes (not for commercial purposes). See these collections in particular:
The University of Saskatchewan's main campus is situated on Treaty 6 Territory and the Homeland of the Métis.
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