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Geology Web Sites
American Geological Institute
A nonprofit federation of 44 geoscientific and professional associations that represents more than 100,000 geologists, geophysicists, and other earth scientists.
A free preprint service for the Earth sciences
Federal Science Library
A one-stop, self-serve portal where you can access library services and search the print collections and repositories of seven science-based departments and agencies from a single place. Wherever possible, departmental publications, reports, data sets and other content are freely available for anyone to access or download.
Geological Association of Canada
Its mission is to facilitate the scientific well-being and professional development of its members, the learned discussion of geoscience in Canada, and the advancement, dissemination and wise use of geoscience in public, professional and academic life.
Geological Society of London
The Geological Society of London is the recognised UK professional body for geoscientists.
Manitoba Geological Survey reports and maps
Many Manitoba Geological Survey reports and maps are available to download free of charge.
NASA Earth Observatory
The purpose of NASA’s Earth Observatory is to provide a freely-accessible publication on the Internet where the public can obtain new satellite imagery and scientific information about our home planet.
Natural Resources Canada
Natural Resources Canada champions innovation and expertise in earth sciences, forestry, energy and minerals and metals to ensure the responsible and sustainable development of our nation's natural resources.
U.S. Geological Survey
Dedicated to the timely, relevant, and impartial study of the landscape, our natural resources, and the natural hazards that threaten us.