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.
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.
New Windsor [ New York ] March 1, 1781 . Is setting out for Rhode Island. Asks Du Portail to join him. Df , in writings of George Washington and H, George Washington Papers, Library of Congress.
4George Washington to Brigadier General Louis Le Bèque Du Portail, 15 December 1779 (Hamilton Papers)
Morristown [ New Jersey ] December 15, 1779 . Asks Du Portail to assist Major General Nathanael Greene in drawing up a report on the defense of the present Army encampment. Df , in writing of H, George Washington Papers, Library of Congress.
5George 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.
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.
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.
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.
9George Washington to Brigadier General Louis Le Bèque Du Portail and Lieutenant Colonel Alexander Hamilton, 30 October … (Hamilton Papers)
I inclose you an Extract of a Letter of the 26th which General Greene has just received from Mr Bowen. D.Q.M. Genl, dated in New port , announcing the evacuation of Rhode Island by the Enemy on Monday night last. The intelligence is not to be doubted, altho by some means or another it has happened, that I have not received any advices from Genl Gates upon the subject, or a Letter from him...
10George 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.