Gardner, James Henry Clays in Several Parts of Kentucky, With Some Account of Sands, Marls and Limestones. 1. Kaolins and Plastic Clays on the Eastern rim of the Western ... District (F.J. Fohs); Clays and Sands of Jac

Clays in Several Parts of Kentucky, With Some Account of Sands, Marls and Limestones. 1. Kaolins and Plastic Clays on the Eastern rim of the Western ... District (F.J. Fohs); Clays and Sands of Jac