Author:

Williams,E.G.

Year:

1979

Title:

Palynology and petrography of the Lower Kittanning Coal Beds in Western Pennsylvania

Reference:

Williams,E.G. (1979) Palynology and petrography of the Lower Kittanning Coal Beds in Western Pennsylvania Carboniferous Depositional Environments in Appalachian Region. (J.C.Ferm et al,editor). Carolina Coal Group, Columbia, South Carolina P. 86- 87

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