original |
Late Eocene |
Early Oligocene |
Canada(British Columbia) |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
original |
Late Eocene |
Early Oligocene |
Washington |
Hopkins,W.S. Palynology of Tertiary rocks of the Whatcom Basin, southwest British Columbia, and northwest Washington. |
1966 |
original |
Middle Eocene |
|
Tennessee |
Potter,F.W. Investigations of angiosperms from the Eocene of southeastern North America pollen assemblages from Miller Pit, Henry County, Tenessee. |
1976 |