...s verbatim the letter of the New York Time's correspondent. The New York Herald of Saturday, 11th says our forces been gone to Hager town on their way to Chambersburg, Pa., Our cavalry have been to Havre de Grace A. New York Herald, correspondent thinks we will hold Frederick City, (on the Monocracy river almost due north from Leesburg,) equal, distant from Washington and Baltimore, and there threaten both c...