the image is a back button

Geological map, Map of the Counties of Cumberland and Westmorland ... Geologically Coloured, scale about 3.5 miles to 1 inch, drawn and engraved by W Banks, Edinburgh, Lothian, published by William Whellan and Co, 1858. (Whellan 1858)
You can open the stratigraphical column in a new window to use with the map. You have to close this new window by hand
button   stratigraphical column.

button to lakes menu   Lakes Guides menu.