For interest, end of last Ice Age in Lincoln area, starting 17k yrs ago. 1) max extent of ice 2) retreat of ice sheetpic.twitter.com/gyHfNVl55q
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On 'last ice age' in Lincolnshire & previous landscape changes, see: http://www.caitlingreen.org/2014/09/of-chalk-and-ice-white-cliffs-of-louth.html … On Anglo-Saxon coastline: http://www.caitlingreen.org/2014/11/stain-hill-anglo-saxon-marsh.html …
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