Map of the alluvial region of the Mississippi Prepared to accompany the report of Capt. A.A. Humphreys and Lieut H.L. Abbot, Corps. of Top'l. Engrs., U.S.A. to the Bureau of Topl. Engrs., War Dept. Drawn by Chs. Mahon.
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Beinecke Rare Book and Manuscript Library > Map of the alluvial region of the Mississippi Prepared to accompany the report of Capt. A.A. Humphreys and Lieut H.L. Abbot, Corps. of Top'l. Engrs., U.S.A. to the Bureau of Topl. Engrs., War Dept. Drawn by Chs. Mahon.