![Portrait of William Smith](/~/media/shared/images/events/archive/2015/william smith bicentenary/smith portrait 180x80.jpg?h=80&la=en&w=180)
A bicentennial celebration of the first geological map of England and Wales in 1815, Strata-smith.com is the largest online collection of Smith maps.
A free education resource, it allows users to view the maps in 3D, compare editions and overlay with modern geological maps.