( 1) Ordnance Survey Map (Scale / Date)
OS 6" (Prov.) 1957
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( 2a) Oral information, correspondence (not archived) or staff comments
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( 2) Ordnance Survey Archaeology Division Object Name Book reference
ONB Revn.1923 8
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( 3) Royal Archaeological Institute The archaeological journal
Frontiers Forts & Farmers (N Higham & G Jones) 132 - 1975 Page(s)31
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(4) Denis R Perriam and John Robinson 1998 The medieval fortified buildings of Cumbria : an illustrated gazetteer and research guide
Cumberland and Westmorland Antiquarian and Archaeological Society extra series vol.29 Page(s)6
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(5) Oblique aerial photograph reference number
NMR NY 1341/1 (13485/34) 01-JAN-1975
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