3. The exact location of the barrow is unknown, Holwerda did not provide a map with his article. The ROB in 1984 reconstructed several barrows at Niersen from old spoil-heaps of the excavation. The barrow they identified as G4 is located at x: 191108 and y: 478789 in the Dutch co-ordinate system. There is however no direct evidence that this was indeed barrow G4.