Economic geology and the bulletin of the society of economic geologists Economic geology - Worcester : Clark University, 1905 UKM: v.1 (1906)- , Judul asal'Economic geology'.University Book Store, Petaling Jaya ISSN: 00-130109 = Economic geology and the bulletin of the society of economic geologists Economic geology and the bulletin of the society of economic geologists Subjects--Topical Terms: Geology, Economic--Periodicals