August 12, 1923. Sunday. St. Alans, St. Spent the morning looking for fossils on the Corbin Ledge, five miles n.e. of St. Alans. We saw a few cephalopods and quite a lot of Milton fragmentary trilobites. Left one, Ampeya like, that Raymond says is one of Billings Levi emyl. Specim. and the second specimen thrown. The Corbin ledge le. emyl. has an interesting slope gone at the north end about 4-5 feet thick. There in the Corbin conglomerate; there is little sand here and the limestone are almost degreezled and some what schistose. There are considerable high pots thought led hi, pieces, some sandy dolomite of the Mallett, and Schellburne. The whole standard shift angle, about 60 to 70 degrees, clegroupes, dipping east. In the afternoon we went to the Mazze Ledge about two miles north of St. Alans. There there is part clear of the Devonian angle, Schellburne, that attains what we felt thin. One third of hi, is fully 20 feet high. Here there is around 1/ of the Schellburne on the, some Mallett. The valley to the east is '1/2 mile wide, and the Mallett makes the western ridge. There is an Ovidton; As known Highgate level rocks there must be buried in low action. The Sky foot blue slate and the Calchester.