the construction of a small wooden structure, which Nicolls called Fort Apalachicola, but is today referred to as Nicolls' Outpost. The larger one, which actually was built and was intended to be a supply depot for Nicolls' Outpost, did not have a name; it was referred to simply as the British Post. It was above the river mouth and south of Nicolls' Outpost and the border of Georgia. The construction of the larger fort was described by Brigadier General Edmund P. Gaines in a letter of May 14, 1816 to Andrew Jackson, who had charged him with destroying the Fort:The ramparts and parapets built of hewn timber filled in with earth, mounting 9 to 12 pieces of Cannon, several of which are very large, with some mortars and Howitzers. It has a deep ditch intended to be filled with water, but was dry when seen by my informants, two or three months ago. The work is nearly square and extends over near two acres [0.81 ha] of ground, has Comfortable barracks, and large stone houses inside. It is rendered inaccessible by land, except a narrow pass up near the margin of the river, by reason of an impenetrable swamp in the rear and extending to the river above. The fort was very well provided with ordnance:It included 4 twenty-four-pound cannons, 4 six-pound cannons, beside a field piece and a howitzer. In addition there were found 2,500 stands of muskets with accoutrements, 500 carbines and 500 swords ... 300 quarter-casks of rifle powder and 162 barrels of cannon powder, besides other stores and clothing. The area enclosed by the fort was ; on the eastern corners (those most vulnerable to attack) were bastions with walls high and thick. The magazine area of the fort was located about 500 feet from the river bank, and consisted of an octagonal blockhouse holding the principal magazine. This was surrounded by an extensive star-shaped enclosure covering about 16 acres with bastions on the eastern corners. The ravelin along the river with cannon was 15 feet high and 18 feet thick. Gaines estimated that 900 Native American warriors and 450 armed blacks inhabited the fort. A miniature replica of the later Fort Gadsden was constructed in the 1970s; a picture is in the State Archives of Florida. Negro Fort (1815–16) When the British withdrew, they deliberately left all their weapons, hoping that the locals would use