A Watershed map of England and Wales, 1883: http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~31371~1150318:Watershed-map-England,-Wales-4-?sort=pub_list_no_initialsort%2Cpub_list_no_initialsort%2Cpub_list_no_initialsort%2Cpub_list_no_initialsort&qvq=q:watershed%2Bmap;sort:pub_list_no_initialsort%2Cpub_list_no_initialsort%2Cpub_list_no_initialsort%2Cpub_list_no_initialsort;lc:RUMSEY~8~1&mi=4&trs=9 …pic.twitter.com/qMABknlK74