| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Gray,L.R. et al. Palynology of the Schultztown Coal in Western Kentucky. |
1967 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Pennsylvanian |
|
Oklahoma |
Branson,C.C. et al. Fossils in Mcintosh County. |
1967 |
| details |
Pennsylvanian |
|
Kentucky |
Kosanke,R.M. Pennsylvanian palynology of eastern Kentucky and adjacent states. |
1969 |
| details |
Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Pennsylvanian palynology of eastern Kentucky and adjacent states. |
1969 |
| details |
Pennsylvanian |
|
Kentucky |
Kosanke,R.M. Palynological studies of the Coals of the Princess Reserve District in northeastern Kentucky |
1973 |
| details |
Namurian |
Stephanian |
Romania |
Olaru,L. et al. Palynology of the Tibau Formation on the Bistrita Valley in the eastern Carpathians, the Ia Cobeni-Ciocanesti area |
1985 |