![View Down the Chipstead Valley [Wikimedia, Creative Commons: Peter Trimming]](https://croydonnaturalhistoryscientificsociety.files.wordpress.com/2015/05/view_down_the_chipstead_valley_-_geograph-org-uk_-_1225928.jpg?w=300&h=169)
View Down the Chipstead Valley [Wikimedia, Creative Commons: Peter Trimming]
Monday, 4 April 2016 – Paul Sowan
Paul talks about how geological maps have been made since 1819, and what they do and don’t tell us! Illustrated with examples from the Society’s collection.
CROYDON NATURAL HISTORY & SCIENTIFIC SOCIETY 