( 1) University of Bristol Spelaeological Society proceedings
(M Thornburn) 2 pt 3 - 1925 Page(s)279-80
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( 2) Aerial photograph
APs (RAF 106G/UK/1661/3302-3 13.7.46)
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( 3) Field Investigators Comments
F1 NVQ 12-APR-62
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( 4) Field Investigators Comments
F2 JWS 31-AUG-76
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( 5) BAR British series
Hillfort & Hilltop Sett Somer 1st-8th Cent AD (I Burrow) 91 - 1981 Page(s)244
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