( 1) General reference
Trans. L. and C.A.S. 30. 1912. 184-194 plan: sections. (W. J. Andrew)
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( 2) General reference
List. Anc. Mon. Eng. and Wales 1961. 22. (MOW)
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( 3) Field Investigators Comments
F1 TPW 10-OCT-62
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( 4) Field Investigators Comments
F1 TPW 21-APR-64
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( 5) General reference
OS 1/2500 1969
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(6) General reference
English Heritage Scheduling Amendment 18/10/93
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