201 



Ft. In. 



42— Shale 2 6 



41 — Limestone 5 2 



40 — Shale with thin layers of sandstone 8 6 



39 — Limestone with Bryozoa and Rafinesquina 3 



38— Mostly shale 10 8 



37 — Crystalline limestone. Fiufin(s<iuina and DulriKnidla 9 



36— Shale 2 3 



35 — Thin layers of bryozoal limestone 1 



34— Shale 6 9 



33 — Bryozoal limestone 6 



32— Shale 7 



31 — Limestone, shale at top. Dalmanella (aa) 7 



30— Covered 42 



29 — Compact highly crystalline limestone ; few fossils 3 



28— Shale 2 9 



27 — Highly crystalline limestone containing fragments of Asophus 7 



26— Shale 5 



25 — Compact limestone containing Dalmanella 5 



24 — Covered , probably some limestone 16 



23 — Brachiopod limestone (?) 4 



22— Covered 8 4 



21 — Limestone. Rajine^quina and Trilobites 3 



20— Shale 6 4 



19 —Covered (probably shale) 16 



18 -Limestone (in place?) 6 



17— Shale 10 8 



16 — Limestone. Bryozoa, plectamboniies 3 



15— Shale 1 



14 — Limestone. Balmanelta, riectambonites 2 



13 -Shale 7 



12— Sandstone 3 



11— Shale 2 9 



10 — Limestone with Dalmanella 3 



9 — Shale, possibly some sandy layers 5 



8 — Hard compact limestone, very few fossils 5 



7— Shale 6 



6 — Layer of crystalline, crinoidal limestone 



5 — Partly covered, mostly shale 33 



4 — Sandy layer with Trinucleus conccniricns 1 



3— Shale 5 4 



2 — Limestone containing Dalmanella (a a*) 2 3 



1 — Shale to level of Ohio river 6 2 



Total section 36 1 



a, abundant; aa, very abundant; c, common; r, rare. 



14— A. OF SCIKNCE. 



