Geoscience journal articles, books, maps, conference papers, reports and theses. environmental geology hydrology economic geology geophysics petrology paleontology marine geology oceanography mineralogy
The GeoRef database covers the geology of North America from 1666 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. Masters' theses and doctoral dissertations from U.S. and Canadian universities are also covered. [From the publisher]