NHER 12822 (Cropmark and Earthwork record) - Soilmarks and cropmarks of undated ring ditches of probable modern and/or natural origin

June 1976.
Cropmarks and soilmarks.
Two huge circles and one smaller. One large circle outlined in thin white band, the other by a thick black mark. Smaller circle has soilmark, white, much spread. Possible infilled pits? - but not on (S1) or any Ordnance Survey map.
E. Rose (NAU), 14 September 1977.

Some unknown person had written on this card that these were irrigation marks, but this is highly improbable from the differences between them and the soilmark-like features.
E. Rose (NAU), 8 June 1982.

D. Edwards (NAU) now believes that large black circle might be irrigation, small white soilmark might be infilled pit (though not on maps); large thin white circle perhaps made by some sort of machine?
E. Rose (NAU), 31 March 1983.

October 2025. Northwest Norfolk Aerial Investigation and Mapping (AI&M) Project.
The circular features described above, which are visible on aerial photographs as soilmarks and cropmarks (S2), probably represent a mixture of marks from recent agricultural irrigation and, possibly, natural solution features. There are two former extraction pits visible in this area as low earthworks on visualised lidar data (S3), neither of which appears to correspond with the circular features, although it is difficult to be certain without rectifying the photographs. There is no evidence that the marks are of archaeological significance and they have not been mapped by the project.
S. Tremlett (Norfolk Historic Environment Service), 17 October 2025.