| The GeoRef database, established by the American Geological Institute, covers the geology of North America from 1693 to the present and the geology of the rest of the world from 1933 to the present. The database includes references to all publications of the U.S. Geological Survey. The database contains over 2.6 million references to geoscience journal articles, books, maps, conference papers, reports and theses. Read the full annotation |
