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What is recorded here

In tillage field. Circular-shaped cropmark (diam. c. 45m) with possible outer enclosing ditches visible on Apple Maps orthoimage and Google Earth orthoimages. See attached orthoimage taken from Apple Maps and Google Earth orthoimages Compiled by: Caimin O'Brien based on details provided by Jean-Charles Caillère Date of upload: 21 December 2022

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Earthwork in Johnstown (castleknock By., Blanchardstown Ed)

What is recorded here