Author:

Ravn,R.L.

Year:

1990

Title:

The spore and pollen succession of the type Dakota Formation, (?Late Albian -Cenomanian), of the North Central United States; Comparisons and lithostratigraphic implications.

Reference:

Ravn,R.L. (1990) The spore and pollen succession of the type Dakota Formation, (?Late Albian -Cenomanian), of the North Central United States; Comparisons and lithostratigraphic implications. American Association of Stratigraphic Palynologists,23rd Annual Meeting,Program and Abstracts # 23 P. 40- 40

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