Jacobson, R. I. (1987). Stratigraphic correlations of the Seelyville, Dekoven and Davis coals of Illinois, Indiana, and Western Kentucky.
Chicago Style (17th ed.) CitationJacobson, R. I. Stratigraphic Correlations of the Seelyville, Dekoven and Davis Coals of Illinois, Indiana, and Western Kentucky. Champaign, Ill, 1987.
MLA (9th ed.) CitationJacobson, R. I. Stratigraphic Correlations of the Seelyville, Dekoven and Davis Coals of Illinois, Indiana, and Western Kentucky. 1987.
Warning: These citations may not always be 100% accurate.