MAP THAT CHANGED THE WORLD

Audio Book Description:
In 1793, William Smith, the orphan sonof a village blacksmith, made a startling discovery that was to turn thescienceof geology on its head. Whilesurveying the route for a canalnear Bath, he noticed that the fossils found in one layer ofthe rocks he was excavating were very different fromthose found in another. And out of thatrealization came an epiphany: that by following thesefossils one could trace layers of rocks as they dipped, rose andfell-clear across England and clear across the world.