Cottrell, P. and Harrison, S. John. (2020). A12 Chelmsford to A120, Essex: Geophysical Survey. Headland Archaeology. https://doi.org/10.5284/1095820. Cite this using datacite

Title
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Title:		 A12 Chelmsford to A120, Essex: Geophysical Survey
Series
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Series:		 Headland Archaeology (UK) Ltd unpublished report series
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Downloads:
headland5-402756_1.pdf (121 MB) : Download
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DOI
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DOI
https://doi.org/10.5284/1095820
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Publication Type:		 Report (in Series)
Abstract
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Abstract:		 Headland Archaeology (UK) Ltd undertook a geophysical (magnetometer) survey of c. 495 hectares on land between junctions 19 and 23 within the A12 Chelmsford to A120 Proposed Scheme, to inform an archaeological assessment of the proposed road. The survey has successfully evaluated the geophysical survey areas within the Proposed Scheme with the exception of a small number of areas where ground conditions were deemed unsuitable for survey. A number of anomalies of either, likely, or possible, archaeological potential have been identified. Of particular significance are settlement anomalies to the north of the old Roman Road at Area 27, the remains of a possible Icehouse in Area 1, a possible kiln structure in Area 25, a ring-ditch in Area 29 and a large pit in Area 10. Other groups of linear and discrete anomalies, which might have an archaeological origin, have been identified in other areas as indicated in the results. Several dipolar anomalies have been detected which are consistent with modern activity such as buried service pipes, trackways, a former railway line, demolition rubble, and even a disused, Cold War observation post. A large number of linear anomalies consistent with typical responses from former field boundaries, and in many cases corresponding to boundaries marked on old OS maps, have also been detected throughout the survey areas. Several low magnitude anomalies have been detected which probably relate to natural or geological causes. The majority of the scheme contains no anomalies of any archaeological potential and therefore, on the basis of the geophysical survey, the survey area is assessed as of low to moderate archaeological potential, and locally high in the vicinity of the clearly defined areas of archaeological activity.
Author
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Author:		 P Cottrell
S John Harrison
Publisher
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Publisher:		 Headland Archaeology
Year of Publication
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Year of Publication:		 2020
Locations
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Locations:
District: Braintree
Parish: Feering
County: Essex
Parish: Springfield
Country: England
District: Chelmsford
Grid Reference: 574215, 208824 (Easting, Northing)
Grid Reference: 587917, 219418 (Easting, Northing)
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GEOPHYSICAL SURVEY (Event)
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OASIS Id: headland5-402756
OBIB: ATCE19
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Note:		 This report was uploaded to the OASIS system by the named Publisher. The report has been transferred into the ADS Library for public access and to facilitate future research.
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Created Date
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Created Date:		 06 Jul 2022