Two miles W of Laurel Creek, Cincinnati layer. 7" indurated by clay more blue under. Arthrus occidentalis, Strophomena, sharp curve. Strophomena small - strong internal folds. Septaria ceracea. Arthrus like Clinton from Iron Silvertake strophomena large flat type. blue clay over Cincinnati 2.1" Clinton 8" less blue granular - Large i?omea cral, softer. - Phthygiotya biforcate thick, - Pachydietya lsvader form, broadest Phymferana grandis interior bayphom crual Favorites - Arthrus Alunven type small - Heliotites sc very crm mrm. Dayton+e brown like Ni'agare, shale at Huffman quarries. One of the courses as thin as the low est course near Longwood.