| details |
Morrowan |
Desmoinesian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Middle Pennsylvanian |
|
Illinois |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Middle Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrology and palynology of the No.5 Block Coal Bed, Northeastern Kentucky |
1994 |
| details |
Early Morrowan |
|
Virginia |
Pierce,B.S. et al. Comparison of the petrography, palynology and paleobotany of the Little Fire Creek Coal Bed, Southwestern Virginia, USA. |
1994 |
| details |
Desmoinesian |
|
Indiana |
Willard,D.A. et al. Paleoecology of the Springfield Coal Member (Desmoinesian, Illinois Basin) near the Leslie Cemetery Paleochannel, southwestern Indiana. |
1995 |
| details |
Late Westphalian A |
|
Kentucky |
Eble,C.F. et al. Palynologic, petrographic and geochemical characteristics of the Manchester Coal Bed in eastern Kentucky. |
1995 |
| details |
Late Westphalian A |
|
Kentucky |
Hower,J.C. et al. Geochemical and palynological indicators of the paleoecology of River Gem Coal Bed, Whitley County, Kentucky |
1996 |
| details |
Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrography, geochemistry and palynology of the Stockton Coal B (Middle Pennsylvanian), Martin County, Kentucky |
1996 |
| details |
Namurian C |
Westphalian A |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |
| details |
Late Westphalian A |
|
Kentucky |
Eble,C.F. et al. Channel-fill coal beds along the western margin of the eastern Kentucky Coal Field. |
1997 |
| details |
Early Desmoinesian |
|
Kentucky |
Eble,C.F. et al. Observations on the palynology, petrography and geochemistry of Western Kentucky Number 4 Coal Bed |
1999 |