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| 1608 map of the Hudnalls |
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| 1682 map |
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| 1777 map |
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| Infomation board at St Briavels Castle |
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| Aerial view |
The Parish Grasslands Project is centred around an area known locally as The Hudnalls on the Gloucestershire side of the Wye Valley, roughly bounded by the villages of Brockweir, Hewelsfield and St Briavels.
The old Ordnance Survey map of 1920 shows the area in greater detail.
