Prospecting for Petroleum1946 · 22 min · Animation, DocumentaireDe Duke GoldstoneMon avisSe connecter pour noter ce filmDistributionConrad NagelThe Voice of Oil (voice)H.B. WarnerThe Voice of History (voice)Gayne WhitmanThe Geologist (voice)Will WrightThe Professor (voice)JJohn MatherThe Barker (voice)
