Organization that works to offer information services for geoscientists, and promote the geosciences to the public. Check out the Policy & Critical Issues which ties current events and discussions to geology and the geosciences.
Organization of the chief executives of the U.S. states' geological surveys. Contains links to professional organizations, state geological surveys, and international geological surveys.
Organization responsible for several major publications in the field, as well as promotion of geology to the public and offering resources to professionals and students, ie. scholarships, internships, and jobs.