Friedman, S. A. (1961). Geology and coal deposits of the Terre Haute and Dennison quadrangles, Vigo County, Indiana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationFriedman, Samuel A. Geology and Coal Deposits of the Terre Haute and Dennison Quadrangles, Vigo County, Indiana. Washington: U.S. Geological Survey, 1961.
MLA (9th ed.) CitationFriedman, Samuel A. Geology and Coal Deposits of the Terre Haute and Dennison Quadrangles, Vigo County, Indiana. U.S. Geological Survey, 1961.
Warning: These citations may not always be 100% accurate.