https://www.usgs.gov/publications/lower-and-lower-middle-pennsylvanian-fluvial-estuarine-deposition-central-appalachian
Lower and lower Middle Pennsylvanian fluvial to estuarine deposition, central Appalachian basin:...
Interpretations of Pennsylvanian sedimentation and peat accumulation commonly use examples from the Appalachian basin because of the excellent outcrops and...
middle pennsylvanianlowerfluvial