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MAPS AND PLANS IN VOLUME TWO

As equally good sources disagree sometimes, a few inconsistencies are unavoidable. Numerous errors have been corrected. An asterisk indicates an unpublished source. Statements, cited in the notes, have also been used.

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1. The Fortress of San Juan de Ulúa in 1854 21
From a *plan in the War Dept., Washington.
2. Siege of Vera Cruz: General Plan 24
From a map drawn by McClellan from surveys done by six American officers (N. Y. City Public Library); a map drawn by order of Lieut. Col. Henry Wilson (War Dept., Washington).
3. Siege of Vera Cruz: The American Works 28
From a map drawn by Lieut. Foster, based on surveys of four American officers (War Dept., Washington).
4. From Vera Cruz to Perote 39
Based on a map issued by Manouvrier and Snell, New Orleans, 1847 (Papers of N. P. Trist).
5. Contour Lines near Cerro Gordo 40
From a *drawing in the War College, Washington.
6. Battle of Cerro Gordo : General Map 43
Based on a map drawn by Lieut. Coppée from the surveys of Maj. Turnbull and Capt. McClellan (Sen. Ex. Doc. 1 ; 30 Cong., 1 sess.) ; a map drawn by McClellan (Mass. Hist. Society) ; a *sketch of a reconnaissance by Lieut. Tower (War Dept., Washington) ; *Croquis de la Posición del campo de Cerro Gordo, 1847 (War Dept., Washington); a plan by I. A. de Soiecki (Vera Cruz City archives); and a *sketch by Lieut. Thos. Williams (among his letters).
7. Battle of Cerro Gordo: Central Portion 51
Based on the same sources as No. 6 supra.
8. From Jalapa to Puebla 61
Based on a Fomento Dept. map.
9. Profile of the Route from Vera Cruz to Mexico 62
From a map published by Manouvrier and Snell, New Orleans, 1847 (Papers of N. P. Trist).
10. A Part of the Valley of Mexico 80
From a map surveyed and drawn by Lieut. M. L. Smith and Bvt. Capt. Hardcastle (Sen. Ex. Doc. 11 ; 31 Cong., 1 sess.) ; and a map by Balbontín (Invasión Americana).
11. Battles of August 19 and 20, 1847 : General Map 100
Based on a map drawn by Hardcastle from the surveys of Maj. Turnbull, Capt. McClellan and Lieut. Hardcastle (Sen. Ex. Doc. 1; 30 Cong., 1 sess.) ; the Smith and Hardcastle map (No. 10 supra); a *map drawn by Capt. Barnard from the surveys of Capt. Mason and Lieuts. Beauregard, McClellan, and Foster (War Dept., Washington) ; a map drawn by Hardcastle from the surveys of Mason and Hardcastle (Sen. Ex. Doc. 1 ; 30 Cong., 1 sess.) ; a map in Apuntes; and a map drawn by McClellan (Mass. Hist. Society).

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