This very detailed map and busy map covers much of Stockton plus a portion of its neighbour across the Tees, Thornaby. Coverage stretches from Hartburn Bridge and Lustring Beck eastward to Thornaby station, and from Wellington Street southward to Peel Street in Thornaby. Much of Stockton town centre is shown, including the Town Hall, Market Place, Holy Trinity church, Thistle Green, Exchange Hall. Industrial features here include Moor Steel & Iron Works, Parkfield Works, much of Bowesfield Iron Works, NER Goods station, Castle Moat ship yard, Corporation Quay. Transport features include tramways, many wharves and landing stages, various railway lines including Bowesfield Junction, tramway depot. Other features include Ropner Park. Features in Thornaby (in Yorkshire) include station, South Stockton Iron Works, Stafford Pottery, Market Hall, George Street area, Bonlea Foundry, Teesdale Iron Works, Cleveland Flour Mills, part of Thornaby Iron Works, Thornaby shipbuilding yard, South Stockton Ship Yard. Numerous extracts from a Stockton street directory are included on the rear, including High Street, Oxbridge Lane, Yarm Lane.
The map links up with Sheets 50.12 Stockton North to the north.
You might find this index map useful.