Author:

Rice,C.L.

Year:

1977

Title:

Ages of the Lee, Breathitt, Caseyville, Tradewater and Sturgis Formations in Kentucky. (In: Changes in Stratigraphic Nomenclature by the U.S.Geological Survey.)

Reference:

Rice,C.L. (1977) Ages of the Lee, Breathitt, Caseyville, Tradewater and Sturgis Formations in Kentucky. (In: Changes in Stratigraphic Nomenclature by the U.S.Geological Survey.) United States Geological Survey, Bulletin # 1457 P. 108- 109

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