Author:

Tschudy,R.H.;Loenen,S.D.Van

Year:

1966

Title:

Plant microfossils from the Fort Union Formation.

Reference:

Tschudy,R.H. et al. (1966) Plant microfossils from the Fort Union Formation. United States Geological Survey, Open-File Report Vol. 66 # 842 P. 1- 2

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