File:Penn carbondale 4-35.jpg: Difference between revisions

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== Licensing ==
{{Image
{{CC-by-NC-SA-4.0}}
|File name=Penn carbondale 4-35.jpg
|Caption=Figure 4-35.  Graphic log from the Audubon Oil & Gas No. 1 Birkner borehole in sec. 24, T 4 S, R 6 E, Hamilton County, Illinois, showing overthickened Survant Coal, evidently in a channel and analogous to the Cardiff, Kerton Creek, and Roodhouse coal beds. © University of Illinois Board of Trustees.
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Latest revision as of 17:31, 23 December 2020

Figure 4-35. Graphic log from the Audubon Oil & Gas No. 1 Birkner borehole in sec. 24, T 4 S, R 6 E, Hamilton County, Illinois, showing overthickened Survant Coal, evidently in a channel and analogous to the Cardiff, Kerton Creek, and Roodhouse coal beds. © University of Illinois Board of Trustees.

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