The structure was found to be for the protection of the artillerists in the first instance; but the apartment was connected with the magazine, the lock of which was removed.
Amblen was sent for ten men, and all the ammunition they could carry was removed.

The rest of it was thrown into a pool of water made by recent rains.

The powder, solid shot, and shells were carried to the boats.

The rest of the men drew the four guns to the shore, where one was placed, with its carriage, in each of the cutters, and the other two put where they could be carried to the Bronx, or thrown overboard in deep water, as occasion might require.
The seventeen soldiers, reinforced by any that might be in the town, were thus deprived of the power to do any mischief except in a hand-to-hand fight.

If the place was not actually captured, it was practically lost to the enemy.