East Yorkshire ALSF National Mapping Programme project
The East Riding Aggregates Assessment project (ERAA) is an element of the Desk-Based Resource Assessment and Research and Management Framework of Aggregate-Producing Landscapes in the East Riding of Yorkshire. It is operated by Humber Field Archaeology (HFA) and funded by the Aggregates Levy Sustainability Fund (ALSF).
The air photo mapping element was carried out to National Mapping Programme standards by Alison Deegan and Daniel van den Toorn. This team was based with English Heritage’s Aerial Survey and Investigation team (now Historic England’s Aerial Investigation and Mapping team) in York. The project’s pilot areas together cover 94 square kilometres and range in size from 9 to 20 square kilometres. Mapping began in August 2007 and was completed in February 2008. New records were created for 213 monuments or monument groups and a further 21 existing monument records were amended or enhanced.
As is frequently the case, air photo mapping in these six small pilot areas have revealed landscapes of surprising time depth and complexity. Features have ranged from the Bronze Age through to 20th century military sites. Prehistoric monuments are represented by a small number of round barrows which, with one exception, are seen as cropmark ring ditches. A few other site types may also be pre-Iron Age in date but the morphological evidence is inconclusive. There is at least one small group of Iron Age square barrows near Burton Agnes. This is perhaps a reflection of this location’s proximity to the Yorkshire Wolds where Iron Age cemeteries are a particular feature.
Enclosures of possible Iron Age or Roman date are more common than pre-Iron Age features. These are recorded singly or in small groups at 39 locations within the pilot areas. Most of the enclosures appear to be of simple rectilinear plan, occasionally with internal sub-divisions
Many appear in apparent isolation and quite often in areas that were still under upstanding ridge and furrow in the middle of the 20th century. No doubt this is due in large part to the underlying soils and geology. Enclosures sit on small islands and ribbons of freer draining deposits such as sand and gravel. They are interspersed with expanses of alluvial clays and silts which are less likely to produce cropmarks.
The images used on this page are copyright Historic England unless specified otherwise. For further details of any photographs or other images and for copies of these, or the plans and reports related to the project, please contact the Historic England Archive.
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Historic Places Investigation
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The Yorkshire Wolds project mapped the cropmark evidence for prehistoric and Roman settlement visible on air photographs.