Name proposed for coal believed to be lower of two coals formerly called No. 2 A (Harrison, 1951: IL G.S. Rept. Inv. 153). Not recognized in outcrops but encountered at a depth of 543 ft 10 in. in drillhole. In southern IL, stratigraphically above Colchester (No. 2) coal member and below Roadhouse coal member (new). In eastern IL, occurs above Colchester (No. 2) coal member and below Summum coal member.
Source: GNU records (USGS DDS-6; Reston GNULEX).
Survant Coal recognized in IL as member of Carbondale Formation. Unit is split in southeastern and east-central IL. Upper split previously called Shawneetown Coal.
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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