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Statement of the Works & Projected Works at English Turn by Barthelemy LaFon 1813 public domain USACE, Gilmore, Kathleen and Noble, Vergil E., Archeological Testing at Fort St. Leon (16PL35), Plaquemines Parish, Louisiana. May 1983, New Orleans District, Corps of Engineers, Contract No. DACW29-81-C-01ll, Contractor: Institute of Applied Sciences North Texas State University, 337 pages, Pdf