Clays in Several Parts of Kentucky, with Some Account of Sands, Marls and Limestones. I. Kaolins and Plastic Clays on the Eastern Rim of the Western Coalfield; Notes on Clays in the Western Lead, Zinc and Spardisteict (f. J. Fohs);clays and Sands of Jackson's Purchase; Clays in the Red River Valley; by James H Gardner. Ii. Clays of Silurian, Devonian, Waverly and Irvine Formations. By Aug. F.…

James H. Gardner