Original sentence: Wimbleball Lake on Exmoor is a water supply reservoir constructed in the 1970s and completed in 1979
Edited sentence: Aggregate for the dam came from a quarry at Bampton and sand from Cullompton.These were combined to give a pinkish tinge to blend in with the local geology.Wimbleball Lake on Exmoor in Somerset, England, is a water supply reservoir constructed in the 1970s and completed in 1979