Author:

Nichols,D.J.;Brown,J.L.;Attrer,M.;Orth,C.J.

Year:

1992

Title:

A new Cretaceous-Tertiary boundary locality in the Western Powder River Basin, Wyoming; Biological and geological implications.

Reference:

Nichols,D.J. et al. (1992) A new Cretaceous-Tertiary boundary locality in the Western Powder River Basin, Wyoming; Biological and geological implications. Cretaceous Research Vol. 13 # 1 P. 3- 30

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