( 1) General reference
Hist and Topo of Ashbourn 1839 200 (Anon)
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( 2) Field Investigators Comments
F1 JR 10-DEC-57
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( 3) Field Investigators Comments
F2 DJC 20-MAR-74
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( 4) General reference
OS 1:10000 1977
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( 5) General reference
Staffs Arch 3 1974 43 (M E Hammer)
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( 6) General reference
Staffs Arch 1 1972 8 (D M Palliser)
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( 7) General reference
Nat Hist Staffs 1686 449 (R Plot)
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( 8) General reference
Moated Sites Res Gp No 11 1984 27
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