Specimen of part of a 1/2,500 plan ; colored for reduction by photography. Darlington. Co. Durham. Sheet LV. 6. (to accompany) Report on the Ordnance Survey of the United Kingdom for 1855-56. (with) Ordnance Survey. Treasury minute, dated 18 May 1855, and previous papers, relating to the Ordnance Survey. Session 1856.
