...o instructed by the General to say, that as you have been authorized to delay proceeding to join your new post until the first of February next, you are, of course, at liberty to accept or to decline Governor Letcher 's invitation to visit the encampment of cavalry, as you may think proper. I am, sir, very respectfully, Your obedient servant, (Signed) E. D. Keys, Lieutenant-Colonel United States Army,...