| details |
Pennsylvanian |
|
Illinois |
Peppers,R.A. et al. A comparison of the floras of the Colchester (No.2) Coal and Francis Creek Shale. (In: Depositional environments in parts of the Carbondale Formation: Western and northern Illinois) |
1970 |
| details |
Desmoinesian |
|
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| details |
Late Carboniferous |
|
Nd |
Alpern,B. et al. Logical bases and objective data for the classification of Monoletes. |
1970 |
| 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 |
Virgilian |
|
Texas |
Stone,J.F. Palynology of the Eddleman Coal, (Pennsylvanian), of North-Central Texas. |
1969 |
| 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 |
|
Illinois |
Peppers,R.A. Palynology of Coals in the Carbondale Formation, northeastern Illinois Basin |
1967 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Middle Pennsylvanian |
|
Oklahoma |
Dolly,E.D. Palynology of the Bevier Coal (Pennsylvanian ) of Oklahoma. |
1965 |
| original |
Desmoinesian |
|
Oklahoma |
Bordeau,K.V. Palynology of the Drywood Coal (Pennsylvanian) of Oklahoma. |
1964 |
| details |
Pennsylvanian |
|
Oklahoma |
Wilson,L.R. Palynological assemblage resemblance in the Crowburg Coal of Oklahoma. |
1964 |
| details |
Pennsylvanian |
|
Oklahoma |
Urban,J.B. Palynology of the mineral Coal (Pennsylvanian) of Oklahoma and Kansas. |
1962 |
| details |
Pennsylvanian |
|
Kansas |
Urban,J.B. Palynology of the mineral Coal (Pennsylvanian) of Oklahoma and Kansas. |
1962 |
| details |
Missourian |
|
Oklahoma |
Miller,F.X. Spore analysis of the Dawson Coal |
1961 |