A glimpse at Kootenay and its wonders
Mineral traffic on railways in 1897
Thunder mountain region, Idaho county, Idaho
Direccion de Minas. Venezuela. Ministerio de minas e hidrocarburos
Greece General Inspection of Mines -- Bulletin of Mining Activities of Greece
Metallogeny in Russia's drive for ore deposits
Das gesamtprogramm fuer die meeresforschung in der bundesrepublik deutschland
Probleme der Gewinnung mineralischer Rohstoffe aus dem Meer
Principles for an International Organization to Explore and Utilize Deep Ocean Mineral Resources
Mineral reinforced nylon molding compounds for automotive parts
Soil and water and its relationship to the origin of life
Structures of biogenic origin from Early Precambrian rocks of Euro-Asia
Der marine Bergbau auf feste Minerale - eine grosse Aufgabe fuer Wissenschaft und Technik