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Historic England
4th Floor, Cannon Bridge House
25 Dowgate Hill
London
EC4R 2YA
The archive contains the results of the National Mapping Programme on the following sites:
English Heritage, through the Aggregates Levy Sustainability Fund (ALSF), has commissioned a number of projects to carry out archaeological aerial surveys in areas affected by the aggregates industry. To ensure a national consistency in the data each project uses National Mapping Programme (NMP) methodology. The following resources are available: