11George Washington to Brigadier General Louis Le Bèque Du Portail and Lieutenant Colonel Alexander Hamilton, 10 October … (Hamilton Papers)
The only material intelligence which I have obtained from New York or respecting the Enemy since your departure, is contained in the inclosed account, which I received yesterday from Captain Monroe. This in your communications with His Excellency Count D’Estaing, you will be pleased to shew him. As we shall have occasion for a great many boats, in case a cooperation between the Count & us...
12George Washington to Brigadier General Louis Le Bèque Du Portail, 22 September 1779 (Hamilton Papers)
West Point, September 22, 1779. Instructs Du Portail to build barracks in the “different works.” Df , in writing of H, George Washington Papers, Library of Congress.
13George Washington to Brigadier General Louis Le Bèque Du Portail, 27 July 1779 (Hamilton Papers)
West Point, July 27, 1779. Discusses appointment of officers in Company of Sappers and Miners. Df , in writing of H, George Washington Papers, Library of Congress.
14George Washington to Brigadier General Louis Le Bèque Du Portail, 17 April 1779 (Hamilton Papers)
Middlebrook [ New Jersey ] April 17, 1779 . Is pleased that Supreme Executive Council of Pennsylvania has approved Du Portail’s plans. Df , in writing of H, George Washington Papers, Library of Congress.
15George Washington to Brigadier General Louis Le Bèque Du Portail, 9 April 1779 (Hamilton Papers)
Middlebrook [ New Jersey ] April 9, 1779 . Asks Du Portail to send an engineer to Wyoming, Pennsylvania. Df , in writing of H, George Washington Papers, Library of Congress.
16George Washington to Brigadier General Louis Le Beque Du Portail, 24 November 1778 (Hamilton Papers)
[ Fredericksburg, New York ] November 24, 1778 . Instructs Du Portail to send request for cannon for West Point to Congress. Df , in writing of H, George Washington Papers, Library of Congress.
17George Washington to Brigadier General Louis Le Beque Du Portail, 31 October 1778 (Hamilton Papers)
Fredericksburg [ New York ] October 31, 1778 . Acknowledges receipt of plan for fortification of Boston. Has forwarded this information to Major General Horatio Gates who will take command at Boston. Df , in writing of H, George Washington Papers, Library of Congress.
18George Washington to Brigadier General Louis Le Beque Du Portail, 27 August 1778 (Hamilton Papers)
White Plains [ New York ] August 27, 1778 . Instructs Du Portail to examine fortifications of Highlands and to execute instructions given him relative to the plan for defense of Delaware River and Philadelphia. Df , in writing of H, George Washington Papers, Library of Congress.
19George Washington to Brigadier General Louis Le Beque Du Portail, 30 June 1778 (Hamilton Papers)
Englishtown [ New Jersey ] June 30, 1778 . Orders Du Portail to Philadelphia to study city’s defenses. Df , in writing of H, George Washington Papers, Library of Congress.