Input (grade 12): It extended along the whole length of the canal, from Eastham in the west to Manchester in the east, absorbing the Port of Runcorn, which had been created in 1862.
Output (grade 12): It extended along the whole 36 miles length of the canal, from Eastham in the west to Manchester in the east, absorbing the Port of Runcorn, which had been created in 1862.