Heyl, A. V., Lyons, E. J., & Theiler, J. J. (1952). Geologic structure map of the Beetown lead-zinc area, Grant County, Wisconsin. The Survey.
Chicago Style (17th ed.) CitationHeyl, Allen V., Erwin J. Lyons, and John J. Theiler. Geologic Structure Map of the Beetown Lead-zinc Area, Grant County, Wisconsin. Washington, D.C.: The Survey, 1952.
MLA (9th ed.) CitationHeyl, Allen V., et al. Geologic Structure Map of the Beetown Lead-zinc Area, Grant County, Wisconsin. The Survey, 1952.
Warning: These citations may not always be 100% accurate.