text Newspapers. fast (OCoLC)fst01423814 Great Falls, Mont. : Montana Oil Journal Co., -1931. eng "Authentic oil news." Description based on: Vol. 1, no. 3 (Apr. 15, 1921). Petroleum--Montana--Newspapers. Petroleum industry and trade--Montana--Newspapers. Petroleum. Petroleum industry and trade. Great Falls (Mont.)--Newspapers. Montana--Great Falls. Montana. United States Cascade Great Falls. Archived issues are available in digital format from the Library of Congress Chronicling America online collection. Montana oil journal (Great Falls, Mont.) Montana oil and mining journal