GeoRef (Engineering Village) This link opens in a new windowIndexes journal articles, books, maps, conference papers reports, and theses covering mineralogy and crystallography, geochemistry, geochronology, extraterrestrial geology, igneous and metamorphic petrology, sedimentary petrology, marine geology and oceanography, general paleontology, paleobotany, invertebrate paleontology, vertebrate paleontology, stratigraphy, historical geology and paleoecology, areal geology, miscellaneous and mathematical geology, structural geology, general geophysics, solid-earth geophysics, seismology, applied geophysics, hydrogeology and hydrology, environmental geology, geomorphology, quaternary geology, soils, general economic geology, economic geology of metal ore deposits, economic geology of nonmetal deposits, economic geology of energy sources, and engineering geology. Covers geology of North America from 1669 to the present and geology of the world from 1933 to the present. Search using keyword, author, title, coordinates, latitude, longitude, etc. Engineering Village