...s was practicable, was telegraphed General Lee from Culpeper Courthouse. There was one regiment of cavalry, the Tenth Virginia, Colonel J. Lucius Davis, serving on detached duty with General Lee at Fredericksburg , and picketing the fords at Germana, Ely's, &c. At nightfall of the 29th April, Colonel Thomas F. Owen, of the Third Virginia cavalry, was ordered to proceed, with two squadrons of his regiment (...