Geography of Sheffield (Totley Brook passes south of Totley and meets Old Hay Brook at Needham's Dyke). The Sheaf flows northwards to join the River Don near Blonk Street Bridge in the city centre. This lower section of the River Sheaf together with the River Don, between the present Blonk Street and Lady's Bridge, formed part of the perimeter of Sheffield Castle. Porter Brook's source is just inside the Peak District National Park, to the west of the city, at Clough Hollow, also near Ringinglow. From here it flows eastward to meet the Sheaf, at a point now located underneath Sheffield Midland Station.
2018 Sheffield City Region mayoral election 2018 Sheffield City Region mayoral election The inaugural Sheffield City Region mayoral election was held on 3 May 2018 to elect the mayor of the Sheffield City Region. The mayor will lead the Sheffield City Region Combined Authority. Voting is restricted to the four councils which are constituent members of the combined authority: Barnsley, Doncaster, Rotherham and Sheffield. Together these councils make up South Yorkshire. As the election took place using the supplementary vote system, electors were able to vote for a "first preference" candidate and a "second preference" candidate. The leading candidate needed to achieve over 50% of the