Whenever he could, he possessed himself of records of
borings, natural and artificial sections, drew them to a constant
scale of eight yards to the inch, and coloured them up. Of his
keenness of observation take the following illustration. When
making one of his geological excursions about the country near
Woburn, as he was drawing near to the foot of the Dunstable chalk
hills, he observed to his companion, "If there be any broken ground
about the foot of these hills, we may find SHARK'S TEETH;" and they
had not proceeded far, before they picked up six from the white
bank of a new fence-ditch. As he afterwards said of himself, "The
habit of observation crept on me, gained a settlement in my mind,
became a constant associate of my life, and started up in activity
at the first thought of a journey; so that I generally went off
well prepared with maps, and sometimes with contemplations on its
objects, or on those on the road, reduced to writing before it
commenced. My mind was, therefore, like the canvas of a painter,
well prepared for the first and best impressions."
Notwithstanding his courageous and indefatigable industry, many
circumstances contributed to prevent the promised publication of
William Smith's 'Map of the Strata of England and Wales,' and it
was not until 1814 that he was enabled, by the assistance of some
friends, to give to the world the fruits of his twenty years'
incessant labour.
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