Ducktown Sulphur, Copper and Iron Company, & Kegler, V. L. (1931). Mining methods of Ducktown Chemical and Iron Company Mary mine, Isabella, Tenn. [publisher not identified].
Chicago Style (17th ed.) CitationDucktown Sulphur, Copper and Iron Company, and Vern L. Kegler. Mining Methods of Ducktown Chemical and Iron Company Mary Mine, Isabella, Tenn. Washington, D.C.: [publisher not identified], 1931.
MLA (9th ed.) CitationDucktown Sulphur, Copper and Iron Company, and Vern L. Kegler. Mining Methods of Ducktown Chemical and Iron Company Mary Mine, Isabella, Tenn. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.