63 and sandy drl. Is it me = our highly altered Cladsbna. Over it comes Mississippian limestone near the base of which I collected Spirifer op. costimatus (like the one y gestrday with sharp plication), Meniphyllum? Johnuchella inaequalis, Phipidomella thiemeei, Pro- ductus (like the one y scotaday with fine striae, an elongate form, and Eumorphales (somae form). Then 180 feet more of Mississippian. Fn about 140 feet there's have much weathering check. These have much crinoidal matter and fons Fenestella. The upper 46 are sometimes some akin al sandy dolomite which has much large fused Bryozoa suggesting a Cladifora. Then there is 100 feet more of limestone which we did not collect. Have no fossils, but the eye pits. Min. Then shale interbedded with chalk bi. 460 feet plus. Then vesicular clust lava, of Late Cenogric age. Cenogric lava 71 E Ruleh Quartzite? ? Min 100 and 200 Knapsack fault Oniss. 220 Dol. 190 Strike y quartzites angl. N.45°E. dip 70° N.W. Strike y Oniss. N.10°W, dip 18-30° N.E. At the Natural Bridge we get a section like Rano- ome. It is as follows: