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Figure 32 Graphic log of core from Richland County, Illinois, showing filling of the Effingham channel. The core shows two upward-fining sequences, the lower having tidal rhythmites in the upper part. The borehole is ISGS #1 Elysium (Hazel Farm) in Sec. 27, T4N, R9E (county no. 25922).
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|current||19:21, 10 July 2020||1,143 × 2,536 (411 KB)||ILSTRAT|