File:Penn caseyville 2-8.jpg: Revision history

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  • curprev 16:1616:16, 23 July 2018Jennifer.Obrad talk contribs 380 bytes +380 Figure 2-8. Photograph of the Pounds Sandstone in Garden of the Gods State Park (SW1/4 NE1/4 NW1/4, Sec. 36, T10S, R7E, Saline County, Illinois). The lower part of the outcrop exhibits tabular planar cross-bedding typical for this unit. Contorted lamin...