Peter Barton & Jeremy Banning flagging the British front line at the Glory Hole – Lochnagar Crater on the skyline. The Linesman system was employed to mark the approximate trace of the trenches on the site in preparation for geophysics.
Peter Barton & Jeremy Banning flagging the British front line at the Glory Hole – Lochnagar Crater on the skyline. The Linesman system was employed to mark the approximate trace of the trenches on the site in preparation for geophysics.
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