From the American state papers: ...(investigation as to why so many soldiers were dying at Fort Adams):
Previous to the embarkation, 3 companies, of the 6th infantry, under the command of Major Pike, were ordered to the garrison of Orleans, and between the 1st and 12th of September, the army embarked, and, making some delay nearly opposite the city, owing, I think, very probably, to a defect in one of the artillery boats, proceeded, on the 23d, up the river, under the command of Major Backus, of the light dragoons. I had been taken sick...followed the army...the General being ill in Orleans.
...two hospitals were established, one at Point Coupee, and one at Fort Adams, where the weakest of the men were left.... .
A description of Fort Adams and the Natchez, Mississippi, area, from Cuming's Tour To The Western Country (1807-1809):