Jeffrey F. Mount is Professor of Geology at the University of California, Davis. Janice C. Fong is Principal Illustrator in the Department of Geology at the University of Californi...показать большеJeffrey F. Mount is Professor of Geology at the University of California, Davis. Janice C. Fong is Principal Illustrator in the Department of Geology at the University of California, Davis.показать меньше