This list contains links to information sources for engineers, geologists, geophysicist, students and the general public.
If you find a link listed in this directory doesn't work, the reason could
be that the site may no longer be active or the internet address (URL) has been
changed to a new location.
To let the webmaster know about a link that is not working, firstname.lastname@example.org. Please list the specific location and/or the URL where the inoperative link is located. We will investigate the matter as soon as possible and make the necessary corrections to the listing.
Your thoughtfulness is greatly appreciated both by us and our many visitors.