Hutchison, H. C. (1958). Geology and coal deposits of the Seelyville quadrangle, Vigo County, Indiana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationHutchison, Harold Christy. Geology and Coal Deposits of the Seelyville Quadrangle, Vigo County, Indiana. Washington: U.S. Geological Survey, 1958.
MLA (9th ed.) CitationHutchison, Harold Christy. Geology and Coal Deposits of the Seelyville Quadrangle, Vigo County, Indiana. U.S. Geological Survey, 1958.
Warning: These citations may not always be 100% accurate.