"The Producers monthly. "; "West Virginia Geological and Economic Survey--History.", "West Virginia Geological and Economic Survey."; "Petroleum industry and trade--Periodicals.", "Petroleum--Periodicals.", "Natural gas--Periodicals."; "1940"; "Serial. Printed Ephemera Collection has: v.4:no.10 (1940:Aug.). Issue for Aug. 1940 includes feature articles about the history, projects, and results of The West Virginia Geological and Economic Survey.
"; ""; "P4337"; "pec"; "Petroleum industry and trade--Periodicals.", "West Virginia Geological and Economic Survey--History.", "Petroleum--Periodicals.", "West Virginia Geological and Economic Survey.", "Natural gas--Periodicals."; "14256"; .