| details |
Conemaugh |
Monongahela |
Kentucky |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| details |
Conemaugh |
Monongahela |
Illinois |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| details |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| details |
Late Pennsylvanian |
|
Illinois |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
| details |
Westphalian |
|
Ohio |
Sullivan,H.J. et al. Triquitrites and related genera. |
1964 |
| details |
Westphalian |
|
Indiana |
Sullivan,H.J. et al. Triquitrites and related genera. |
1964 |
| details |
Westphalian |
|
Illinois |
Sullivan,H.J. et al. Triquitrites and related genera. |
1964 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania. |
1964 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania. |
1964 |
| details |
Early Stephanian |
|
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Palynological investigations of the Lower Nevren Seam (Lower Stephanian) in the northern part of the Plzen Carboniferous Coal-Bsin. |
1964 |
| details |
Monongahela |
|
West Virginia |
Clendening,J.A. Characteristic small spores of the Redstone Coal in West Virginia. |
1965 |
| details |
Late Stephanian |
Early Permian |
W.Germany(Bavaria) |
Helby,R.J. Spore research on the Carboniferous/ Permian boundary at Pfalzer Bergland. |
1966 |
| 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 |
Westphalian D |
|
England(Worcestershire) |
Spinner,E. Palynological evidence on the age of the Carboniferous Beds of Woodbury Hill, near Abberley, Worcestershire. |
1966 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Missourian |
|
Oklahoma |
Upshaw,C.F. et al. Microspores from the upper part of the Coffeyville Formation (Pennsylvanian, Missourian), Tulsa County, Oklahoma. |
1967 |