Cup-and-ring-marked outcrop, Howgill Grange, Baldersdale, Hunderthwaite (Baldersdale) - Source of Reference
The information on this website is based on a range of published and unpublished works. Below is a list of the source of information used in writing this record.
|1||Durham County Council, Northumberland County Council||2005||NADRAP Durham Box File 1||Rock Art ID # 1728|
|2||Scheduled Monument/MPP Files||Ref: MPP22/AA13567/1 Mon No: 32097|