Here are the details of maps for New Hartley & Delaval Hall:
This detailed map is double-sided and on the reverse shows part of the area in 1857 to include Seaton Delaval Hall. Features on the map include Hartley Station and Railway Line, New Hartley Colliery, Seaton Red House, Seaton Delaval Hall, Our Lady & St Joseph's RC Chapel, Our Lady's Church and Avenue North Farm. Streets on the map include Melton Terrace, Long Row, Quarry Row and Avenue Row.
The map links up with Sheet 81.07 Seaton Sluice to the east.