Endnote 15 – How Water Tunnels Worked

Alternately, the upper shaft may have been a grain silo. A silo of similar shape, complete with spiraling steps, is preserved at Iron Age Megiddo The installation at Megiddo, however, only entailed cutting through earlier earthen debris layers and then lining the silo walls with small stones. It seems unnecessarily ambitious of the Gibeonites to have hewn through solid bedrock merely for grain storage.