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?t=t&id=57280613 Map of the district through which passes the contemplated Mississippi and Lake Pontchartrain Canal / Drawn by Capn. W.T. Poussin, topl. engr. ; Wm, Harrison, sct., Georgetown, D.C.
From Louisiana (In 5 layers) Depicts: 1827 Last modified 23 days ago. 20 control points.
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