File:Penn carbondale 4-6.jpg

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Figure 4-6. Measured section of the Seelyville Coal in its type area south of Seelyville in Clay County, Indiana. The section was formerly exposed in the highwall of the Amax Coal Company Chinook surface mine in NE1/4, sec. 19, T 12 N, R 12 W, Clay County, Indiana (after ISGS mine notes described by J.T. Popp, R.J. Jacobson, and J.C. Cobb). Modified from Jacobson (1987), using current terminology. Copyright © 1987 University of Illinois Board of Trustees.

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