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Clwyd-Powys Archaeological Trust Report on a 2010 Field Survey, 'Hepste Valley Prehistoric Landscape, Breconshire'. CPAT Report No. 1083: produced for Cadw.
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CPAT - Clwyd-Powys Archaeological Trust Reports
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Photo, Cartographic, Graphic, Text.
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N.W. Jones, Clwyd-Powys Archaeological Trust
