Author:

Schopf,J.M.

Year:

1964

Title:

Report on dating of plant fossils from the Mapleton Sandstone. (In: Reconnaissance Bedrock Geology of the Presque Isle Quadrangle Maine. Boucet et al, editor)

Reference:

Schopf,J.M. (1964) Report on dating of plant fossils from the Mapleton Sandstone. (In: Reconnaissance Bedrock Geology of the Presque Isle Quadrangle Maine. Boucet et al, editor) Maine Geological Survey,Quadrangle Mapping Series # 2 P. 100- 103

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