 The Torne was embanked and straightened by cutting a drain which emptied via a sluice into the Trent at Althorpe.An drain was cut from where the Idle had been blocked to Dirtness, passing under the Torne at Tunnel Pits.At Dirtness it was joined by another drain, bringing water from the west, and then ran for a further to another sluice at Althorpe.