"The lorigin of these beds is Trenton = Salina or Rhyen Trenton. These beds cannot be at the top of the Trenton for the top is at Craigleith some 5 to 6 mils to the south. How much is about can be calculated from the general dip but I do not know what the thickness is. He then visited a small quarry about half an hours walking to the south of the Globe Hotel or just to the south of the large saw mills south of the Maye factory house. Both of these places and the intermediate one visited on July 23-1912, are in the same general gone i.e. the Tusiopira-Prasipora beds. While at dinner met Foster and Whittaker. Foster will meet us on Thursday at Little Current. Left by steamer for Manitowin. Just north of Owen Sound we see in the hills a little above water level the red Richmond shales. Back of the town