[Lancashire] County Planning Council. County Planning and Development Committee. Alternte title from verso: Lancashire County Council. Designation map no. 33. Droylsden. Legend: D/6/A/33, July 1951. Companion text: A Preliminary Plan for Lancashire / Gerald William Sutton Brown. Preston: Lancashire County Council. County Planning and Development Committee. 1952. 222p. [With three maps, each in four sections.]. Inset: Furness area (on sheet two). Legend: A/1, Approved County Panning Committee, October 1951. "Based upon the Ordnance Survey map with the sanction of H.M. Stationery Office." The Map Library lacks the accompanying text.