Author:
Wahrhaftig,C.;Leopold,E.B.;Wolfe,J.A.;Lanphere,M.A.
Year:
1969
Title:
The coal-bearing group in the Nenana Coalfield, Alaska.
Reference:
Wahrhaftig,C. et al. (1969) The coal-bearing group in the Nenana Coalfield, Alaska. United States Geological Survey, Bulletin # 1274 P. 1- 30
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Genus Species Country(Region) From To
Itea Itea Alaska Late Oligocene
Itea Itea Alaska Late Miocene
Juglans Juglans Alaska Late Miocene
Liquidambar Liquidambar Alaska Late Miocene
Melia Melia Alaska Late Oligocene
Nyssa Nyssa Alaska Early Miocene
Orbiculapollis Orbiculapollis Alaska Late Oligocene
Ostrya Ostrya Alaska Late Miocene
Pachysandra Pachysandra Alaska Late Oligocene
Pinaceae Pinaceae Alaska Late Miocene
Pinus Pinus Alaska Middle Miocene
Proteacidites Proteacidites globosiporus Alaska Late Oligocene
Pterocarya Pterocarya Alaska Late Miocene
Quercus Quercus Alaska Early Miocene
Sarcococca Sarcococca Alaska Late Oligocene
Saxifraga Saxifraga Alaska Late Oligocene
Taxodiaceae Taxodiaceae Alaska Middle Miocene