He cursed aloud and made his way down the sloping deck to the square iron door, or port, through which he had loaded them. But he found that it was jammed, or held fast by the pressure outside, and after a few moments' work in water above his knees he climbed to the starboard side. Here the entrance was obstructed by a huge pile of baled hay and grain in sacks. It would be no easy task to clear it away, and he fell to work with desperate energy, for the ship was slowly changing her level.