http://pec.lib.wvu.edu/record/P43371940The Producers monthly. 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. <br />West Virginia Geological and Economic Survey--History.West Virginia Geological and Economic Survey.Petroleum--Periodicals.Petroleum industry and trade--Periodicals.Natural gas--Periodicals.14256