4 copy 1:200 scale civil engineering plans (83cm x 120cm) showing the Lothian Street / Potterrow junction in Edinburgh, prior to realignment for the creation of Bristo Square. An outline base plan, which has been used to create the other plans in this file, is on a transparancy. A plan (2 copies) showing height measurements [and bore holes] is also on a transparancy. A paper plan subtitled "Existing services" shows the utilities in the area, which would be affected by the construction of Bristo Square.