Input (grade 9): Salisbury Plain is a chalk plateau in central southern England covering 300 s/O. It is part of the Southern England Chalk Formation and largely lies within the county of Wiltshire, with a little in Hampshire.
Output (grade 7): Salisbury Plain is a chalk plateau in central southern England covering 300 s/O. It largely lies within the county of Wiltshire, with a little in Hampshire.