Figure 18. Photographs of lithofacies in core of lower Purdy Sandstone in Hendrix #3. F-1=fluvial paraconglomerate; F-2=braided-stream sandstone; E-2 (left) estuarine sandstone with ripple-like bedding; E-2 (center)=burrowed estuarine sandstone with flowage features and with deformed to disrupted dark gray shale laminae; M-2=fossiliferous sandstone with black shale; M-1=fossiliferous mudstone.