They only appeared at low tide, and were covered over at high tide. "Before the ship with soldiers had arrived to guard the cache, the crew and officers rotated keeping watch on the salvaged goods. The owners of the Sonne were relatively lucky.
在派遣護船的士兵未抵達前，船員及軍官戰戰兢兢、輪流留守，保護「將用來建造紅毛城的石塊、大砲、錨」等船貨。