SOILx (CC BY)
An information service for soil types and soil sites across Canada. SOILx enables you to search spatially its database of soil sites and view detailed information on each one.
U.S. Geological Survey (Public domain)
Real-time or near real-time data and information on current conditions and earth observations.
Geosciences LibreTexts Library (CC BY-NC-SA)
A collection of open textbooks, assignments, and other educational resources on the subject of geosciences.
Introduction to Geology (CC BY-NC-SA)
An open textbook for introductory geology courses created by instructors at Salt Lake Community College.