Short description: Doyle (Towanda limestone and Holmesville shale) Shale, with base of Towanda limestone at 345 m (1132 ft) exposed along lake shore; 5 m (15.5 ft) of Towanda limestone and gray-green mudrock of the Holmesville shale below; one digital photo; approximately 300 ft south of center of NW1/4, SE1/4, Sec. 25, T.10S., R4E., Geary Co., Kansas.
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