Upper Cretaceous Floras of the Rocky Mountain Region; Part I: Stratigraphy and Paleontology of the Fox Hills and Lower Medicine Bow Formations of Southwestern Wyoming and Northwestern Colorado; Part II: Flora of the Lance Formation at Its Type Locality, Nio-brara County, Wyoming. Erling Dorf

1944 ◽  
Vol 52 (2) ◽  
pp. 139-140
Author(s):  
John B. Reeside
2008 ◽  
Author(s):  
Kelly S. Burns ◽  
Anna W. Schoettle ◽  
William R. Jacobi ◽  
Mary F. Mahalovich

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