Burnley Coalfield

Most northerly portion of the Lancashire Coalfield, surrounding Burnley, Nelson, Blackburn and Accrington.

Rivington Hall

Grade II* listed former manor house in Rivington, Lancashire, England, the successor to a 15th-century building that was built near to the present building.

Sandal Castle

Ruined medieval castle in Sandal Magna, Wakefield in West Yorkshire, England. One of two castles built overlooking the River Calder, it was built by the Warrennes, the Earls of Surrey who were Lords of the Manor of Wakefield.

Kirklees Priory

Medieval nunnery associated with the legend of the death of Robin Hood.

Masbro’ boat disaster

Sixty-four people, mainly children, were drowned in the River Don in Masbrough, Yorkshire, on 5 July 1841 when the launch of a boat went wrong.

Built-up area

Categorisation of UK census data that corresponds more closely to the traditional towns, villages and cities that people associate with where they live than do the administrative boundaries.

Irlam

Built-up area in the City of Salford, Greater Manchester, England, lying on flat ground on the south side of the M62 motorway and the north bank of the Manchester Ship Canal.

Elsecar engine

Steam-driven Newcomen-type atmospheric pumping engine still in its original engine house at Elsecar near Barnsley. Designed by John Bargh of Chesterfield, the engine, is based on one invented by Thomas Newcomen in 1712.

Tyldesley Loopline

Railway line built in 1864 to connect local collieries to the Liverpool–Manchester main line.

Great County Adit

System of underground tunnels that drained tin and copper mines between Redruth and Bissoe in west Cornwall.