Author:
Hamilton,W.;Leopold,E.B.
Year:
1962
Title:
Volcanic rocks of Oligocene age in the southern part of the Madison Range, Montana and Idaho. (In: Geological Survey research 1962, Short Papers in geology, hydrology and topography. Articles 1-59)
Reference:
Hamilton,W. et al. (1962) Volcanic rocks of Oligocene age in the southern part of the Madison Range, Montana and Idaho. (In: Geological Survey research 1962, Short Papers in geology, hydrology and topography. Articles 1-59) United States Geological Survey, Professional Paper # 450 P. 26- 29
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Genus Species Country(Region) From To
Podocarpus Podocarpus Montana Oligocene
Abies Abies lasiocarpa Montana Oligocene
Abies Abies concolor Montana Oligocene
Picea Picea engelmannii Montana Oligocene
Tsuga Tsuga mertensiana Montana Oligocene
Sequoia Sequoia affinis Montana Oligocene
Ephedra Ephedra nevadensis Montana Oligocene
Gramineae Gramineae Montana Oligocene
Salix Salix Montana Oligocene
Carya Carya Montana Oligocene
Pterocarya Pterocarya Montana Oligocene
Betula Betula Montana Oligocene
Alnus Alnus Montana Oligocene
Ostrya Ostrya Montana Oligocene
Ulmus Ulmus Montana Oligocene
Zelkova Zelkova Montana Oligocene
Ilex Ilex Montana Oligocene