GeoRef (via Proquest Earth Science Collection)
( 01/01/1693 - Present )
International database of geoscience literature of the world. Materials indexed include journal articles, books, maps, conference papers, reports and theses. Covers the geology of North America from 1785 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. It is the electronic equivalent to Bibliography and Index of Geology.