Keywords: The Quarterly journal of the Geological Society of London (13204855554).jpg NORTH-WEST OF ENGLAND AND NORTH WALES <br> 97 <br> The sections of the two trenches are from diagrams and descrip- <br> tions kindly given me by Mr Martin the resident engineer <br> Eig 13 Section in Yarrow Trench Yarrow Reservoir 1872-75 <br> Horizontal and vertical scales 220 feet to 1 inch <br> s w <br> N E <br> A A Bottom as excavated <br> B Hard grit rock <br> C C Black shale <br> D Soft broken shale and clay <br> E Soft shale <br> I\ Loam sand and veins of gravel <br> G- Gravel <br> H Soil <br> Pig 14 Section of Turner's Side Trench Rivington <br> Scale as in fig 12 <br> 1 Brown clay with boulders <br> 2 Sand and gravel current-bedded together and mixed witb clay <br> 3 Rubble debris of coal-shale in large angular blocks <br> 4 Coal shales <br> At a the clay was not bottomed at 20 feet deep <br> b is supposed to be another section of the gully <br> Fig 15 Section in Cutting on the west side of Yarrow Reservoi/ <br> 1 Yellowish clay 3 feet <br> 2 Brown clay with angular fragments of coal shale <br> 3 Blue clay Till very hard but falls when wet full of pebbles and <br> containing many Millstone-grit boulders up to 8 tons mostly <br> waterworn but none glaciated 36928678 113681 51125 Page 97 Text 39 http //www biodiversitylibrary org/page/36928678 1883 Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London v 39 1883 Geology Periodicals Smithsonian Libraries bhl page 36928678 dc identifier http //biodiversitylibrary org/page/36928678 smithsonian libraries Information field Flickr posted date ISOdate 2014-03-16 Check categories 2015 August 26 CC-BY-2 0 BioDivLibrary https //flickr com/photos/61021753 N02/13204855554 2015-08-26 13 55 04 cc-by-2 0 PD-old-70-1923 The Quarterly journal of the Geological Society of London 1883 Photos uploaded from Flickr by FĂŚ using a script |