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
Sequoia Sequoia affinis Montana Oligocene
Stephanoporopollenites Stephanoporopollenites Montana Oligocene
Tilia Tilia Montana Oligocene
Tsuga Tsuga mertensiana Montana Oligocene
Ulmus Ulmus Montana Oligocene
Zelkova Zelkova Montana Oligocene