201 Notes from former trips. Tom Fox, 7 ft 4 Upper Silurian section. Worthy Mudule layer, 1 ft above, Black shale, 3½ ft exposed {9½ ft} First Black Shale: 5 ft above Niagara. Above old Ave Spring, Weyer Silurian seems thicker than at last exposure going up the creek, Why former readings were, 3 ft black shale, 44 ft. exposed, 14 ft not exposed, Leigh's creek bed This must be looked up again, J. V. Sinton, Davidson Cr Black shale at 1175 Shivery at Hillston, 1107. 58 32 25 Sinton V. Sinton J. V. Sinton about ½ mile above Ellis Store or Sinton P.O. d) And about ⅔ mile N. of Columbia quadrange, 3 in limestone 21 ft Langel, Pizocinno 6 in, soft mible claygy limstone 3 ft 0 {harder limstone} 1 ft 3 in } 1 ft 7 in, limestone weathering face, {4 ft 10 in. claygy limestone, like Ogrod limestone in southern part of Baker station quarry. Ogrod section upstream, rocks dip south, 15 ft of Climus exposed downstream shirty. 1 mile to J.G. Sinton, where road crosses on the white valley westward about 4 miles to Sinton, about 2 miles to school. c) About ½ mile beyond J.A. Sinton, Jr. where road crosses the stream, going southward, is Black shale resting on Climus, shirty. Black shale 16¼ ft cherty Clinus Halyzites 4 ft not exposed. Creek Helicidite with lagenolite as at Tom Fox Cyclomematilix good. Favrite farman