Article: To George Washington from Leonard Marbury, 21 April 1792
Leonard Marbury (1749 - 1796), Congressman (Georgia 2nd Provincial Congress, 1775).
Deputy Surveyor of St. Paul’s Parish, 1772.
Born in Maryland, United States.
Website: Founders Online, National Archives
Mentioned on Duke University resource page (Revolutionary War era documents):
Leonard Marbury letter, 1779, in (collection), Samuel Elbert Papers, 1769-1788.
Subject: British defeat at Bryan Creek Bridge, Ga.
Some stuff here about headrights (land grants to encourage settlement): Franklin, Georgia, etc.
Also found: Genealogy site: http://www.haywoodcountyline.com/marbury.html