Books by Merl Harold Meighan:
Books in the extended shelves:
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Meighan, Merl Harold, 1895-: Chlorination of natural gas (U.S. Dept. of the Interior, Bureau of Mines, 1921), also by G. W. Jones and Vernon Charles Allison (page images at HathiTrust)- Meighan, Merl Harold, 1895-: An investigation of the caustic soda process of extracting low-temperature phenols ... (New York, N.Y., 1925) (page images at HathiTrust)
Find more by Merl Harold Meighan at your library, or elsewhere.