Trace, R. D., & Amos, D. H. (1984). Stratigraphy and structure of the western Kentucky fluorspar district. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationTrace, Robert Denny, and Dewey Harold Amos. Stratigraphy and Structure of the Western Kentucky Fluorspar District. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1984.
MLA (9th ed.) CitationTrace, Robert Denny, and Dewey Harold Amos. Stratigraphy and Structure of the Western Kentucky Fluorspar District. U.S. Dept. of the Interior, Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.